Oct
26
2024

Common Chemicals Affecting your Health

By | Cancer, kidney disease

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There are common chemicals affecting your health that have been known since the 1950’s. They have the name PFAS, which stands for perfluoroalkyl and polyfluoroalkyl substances. There was a review article recently in CNN describing the complexity of PFAS, the toxicity, and what you can do to improve your risk. People know PFAS as the “forever” chemicals, because they are very slow to metabolize. As their chemical structure has some resemblance to natural hormones, they block our own hormone actions. They belong to the group of endocrine disruptors. There is a direct relationship between exposure to PFAS and kidney cancer as well as testicular cancer.

PFAS can affect menstrual cycle irregularities, thyroid disorders, and infertility. Pregnant women and children are most sensitive to the effects of PFAS.

A lot of products contain PFAS

Dr. Carmen Marsit is a Professor of Research at the Rollins School of Public Health at Emory University. She has done research of the effects of PSAF regarding human health for several years. CNN interviewed her and she said: “PFAS are a class of about 15,000 human-made chemicals that contain fluorine groups, which give them special properties. They are in non-stick surfaces; they’re used in firefighting foams, protecting packages from grease, and waterproofing of carpets and your clothing. Because of the structure of these chemicals, they’re able to have these non-stick, water-repellent and temperature-regulating properties.”

There is contamination of drinking water with PFAS chemicals. Only reverse osmosis removes these “forever” chemicals. But water from water softeners still contains PFAS. People who have reverse osmosis in the kitchen sink can cook with clean water, which is devoid of PFAS. This  reduces exposure to PFAS significantly.

Food as a source of PFAS

Dr. Marsit mentioned: “Food can be another source of exposure, partly because of the packaging that food comes in, such as any types of non-stick, risk-proof packaging. A lot of frozen foods and fast foods were put into these types of packaging. A pizza box, for example, will have PFAS on the bottom. There’s actually some new data suggesting that PFAS are very prevalent in pesticides, and so, in fact, are being sprayed on to foods. Even your fresh foods might be contaminated with some of these chemicals. “

How manufacturers can remove PFAS from food and the environment

Dr. Marsit said:” On the policy side, we are seeing some positive things happening that are going to start to reduce some of these levels. The US Environmental Protection Agency now has a ruling out about at least five of these chemicals in drinking water that basically sets limits for these chemicals in the water. Within three years, municipal water sources have to test these chemicals, and then within five years, they have to have a plan for how to reduce those levels below the EPA-set limits.

Recently, the US Food and Drug Administration worked together with food product manufacturers who create the containers of food products to remove the PFAS chemicals from those containers, so now we’ll see less of that kind of foodborne exposure.”

Pressure from changed buying behaviors can accelerate removal of PFAS

But all of this will take several years to take effect. It is the public opinion that can speed things up. If people start buying glass and metal containers instead of plastic bottles of water, the manufacturers will have to adjust to the new buying patterns. This can accelerate the removal of PFAS from the market. Dr. Marsit said: “Some manufacturers are starting to be concerned about the health effects as well and are starting to remove them from their products. It’s a slow process, but eventually we’ll see more and more of those manufacturers kind of moving away from the use of these chemicals in their products because of these health effects.” 

Common Chemicals Affecting your Health

Common Chemicals Affecting your Health

Conclusion

Perfluoroalkyl and polyfluoroalkyl substances (PFAS) have been around since the 1950’s. There are more than 15,000 of these “forever” chemicals around us now. They have these non-stick, water-repellent and temperature-regulating properties. PFAS hide in carpets, furniture, food containers, clothing and even drinking water. They are very slow to metabolize. As their chemical structure has some resemblance to natural hormones, they block our own hormone action. They belong to the group of endocrine disruptors. There is a direct relationship between exposure to PFAS and kidney cancer as well as testicular cancer.

What leads to a change in PFAS contamination?

Both the US Food and Drug Administration and the US Environmental Protection Agency recently introduced strict guidelines about reducing PFAS contamination of our food chain and the environment. But it will take years for these guidelines to lead to concrete results. In the meantime, the consumer has the power to force manufacturers into changing production patterns. People need to start buying glass and metal containers instead of plastic bottles of water. Then the manufacturers will have to adjust to the new buying patterns.

Aug
17
2024

Exercise for healthy Aging and a young Brain

By | andropause, Cancer, Cardiovascular disease, cholesterol, Diabetes, diet, e-cigarettes, exercise, Fitness, Health, heart attack, Heart Disease, High Blood Pressure, lifestyle, Menopause, sleep, Smoking, stress, Stroke, sugar, Weight loss

This article is about exercise for healthy aging and a young brain. A review article in Medical News Today states that several research papers showed that exercise greatly improves brain health, cognition and mood. It also reduces the risk of neurodegenerative diseases.

The benefits of regular exercise 

Here is a list of the beneficial effects of regular exercise:

  • Increased muscle strength
  • Improved heart health
  • Lower blood sugar
  • Improved mood
  • Alleviates stress
  • Improvement of cognitive function

Researchers from Stanford Medicine have examined in a rat model how exactly exercise influences various tissues. Unfortunately, such experiments in humans are not possible and results of rat experiments do not readily translate into the human context. In 8 weeks of regular exercise rats experienced stimulation of the immune system, a reduction of the stress response, an increase of energy production and stimulation of the metabolism. From indirect measurements we know that in humans the same findings likely also hold true. The mitochondria, the area in cells where energy production occurs, are stimulated in muscles, the heart, liver, kidneys, and white adipose tissue.

Effect of exercise on the immune system

Researchers showed in a mouse model that exercise stimulated the T cell response and rejuvenated aging microglia in the brain. The result is a strengthening of the immune system and rejuvenation of the supportive microglia. In the aging human regular exercise rejuvenates microglia in the hippocampus. This can prevent dementia and Alzheimer’s disease.

Exercise strengthens brain cell connections

How does exercise affect the functioning of the brain?

Ryan Glatt is a senior brain health coach and director of the FitBrain Program at Pacific Neuroscience Institute in Santa Monica. He said: “Exercise enhances synaptic plasticity and blood flow while reducing inflammation and increasing the expression of neurotrophic factors like Brain-derived neurotrophic factor (BDNF). These effects can synergistically improve memory, learning, and overall brain health.”

The best forms of exercise for brain health

Glatt said: “Activities combining physical and cognitive challenges, like dance or tai chi, can be especially effective for certain aspects of brain health.”

Brisk walking is a simple method of exercise. However, we also need isometric exercises, which helps muscle strength and endurance. A good way of combining the two forms of exercise is to regularly go to a gym. Use a treadmill for 30 minutes and then use 30 minutes of a workout with 10 weight machines. Mix this with tai chi or ballroom dancing several days per week. This keeps you mentally and physically fit.

Slow your biological age through the use of the “Essential 8”

Research identified 8 factors that determine how long you live. These 8 factors are what can lower your biological age by 6 years. Here are the 8 factors:

  • Diet

    A diet high in fruit, vegetables and lean meats helps you to lower your cholesterol level. In addition, avoid trans fats, fried foods and sugary foods. This helps you to lose weight and prevents Together with regular exercise eating a healthy diet prevents heart attacks and strokes.

  • Activity

    The American Heart Association recommends 150 minutes of moderate-intensity aerobic activity per week. Alternatively, 75 minutes of vigorous aerobic activity achieve the same thing. Examples of moderate aerobic activity are a brisk walk, jogging, biking, social dancing and water aerobics. Vigorous aerobic activity involves spinning, running, swimming laps or jumping rope. Exercise reduces blood pressure, blood sugar, and cholesterol. It also helps people to reduce weight.

  • Quit smoking

    Smoking cigarettes, vaping or using e-cigarettes causes your  body to develop higher blood pressure and damages your blood vessels because of circulating toxins. You also develop shortness of breath from narrowed airways. On the other hand, when people quit smoking, their risk of coronary heart disease drops to half after 1 year.   

  • Getting enough sleep

    People who don’t get enough sleep at night tend to have higher blood pressures, higher cholesterol and higher blood sugar values. This leads to weight increase and obesity. Sleeping at night for 7 to 9 hours improves cardiovascular health.

  • Body mass index (BMI) 

    An elevation of your body weight occurs when you eat the wrong foods and combine this with a sedentary lifestyle. Increased weight causes heart and joint problems as well as diabetes. Eating the right foods and exercising regularly gets your BMI into the normal range. This reduces your biological age.

  • Cholesterol

    An increase of cholesterol can cause heart attacks and strokes. But when you watch your fat and cholesterol intake you can reduce your cholesterol level. Make healthier choices with foods like reducing saturated fats, reducing refined carbohydrate intake, eating more vegetables and leaner meats. This reduces inflammation in the arteries and plaque deposits with much lower risks of heart attacks and strokes.

  • Blood sugar

    Increased blood sugars lead to diabetes. In this case there is accelerated hardening of the arteries in the heart, brain, eyes, and kidneys. This leads to premature heart attacks and strokes. People need to avoid eating refined sugars, carbohydrates (bread, pasta, rice) and sugary drinks. This normalizes blood sugars and your biological age reduces. Regular exercise is also important to burn off any excess sugar in the system.

  • High blood pressure

    An elevated blood pressure strains the arteries and the heart. If you don’t pay attention to this you are at a high risk of getting heart failure, a heart attack or a stroke. Sticking to a heart healthy diet, avoiding salty foods, and exercising regularly allows you to lower your blood pressure and avoid the above mentioned complications. If these measures alone do not reduce your blood pressure to normal, ask your doctor to prescribe blood pressure lowering medications for you.

  • Bioidentical hormone replacement

    What was not contained in the 8 factors was bioidentical hormone replacement. As you can see from the illustration, testosterone in males reduces more slowly in males (with a delay of 10 years) in comparison to estrogen reduction in menopausal women. Several authors describe that men and women in andropause and menopause live longer when bioidentical hormones are administered compared to those that do not use hormone replacement therapy.

Exercise for healthy Aging and a young Brain

Exercise for healthy Aging and a young Brain

Conclusion

Regular exercise even in older age keeps your brain free from dementia or Alzheimer’s disease. But in addition to this other research showed that 7 more factors are important to reduce your biological age. They are a healthy diet, quitting smoking, getting enough sleep and reducing your body mass index. In addition, you need to keep your cholesterol and blood sugar levels normal. Control high blood pressure with a healthy diet, refrain from salty foods and if necessary, treat it with medication.

Life’s essential 8 factors

It is important to simultaneously control all these “Life’s essential 8” factors for optimal control. People who do this were found to consistently have a lower biological age than others who do not. They also tend to not get Alzheimer’s disease whereas controls do. Lifestyle factors matter for healthy aging and a young brain. Studies showed that the biological age of those who take care of their lifestyles is on average 6 years younger than that of controls. You can reduce your biological age even further with bioidentical hormone replacement in andropause and menopause.

Jul
20
2024

A Plant-based Diet Helped Prostate Cancer Patients Significantly

By | breast cancer, Cancer, Cardiovascular disease, colorectal cancer, diet, exercise, Mortality, Processed food

A new study in JAMA Network Open showed that a plant-based diet helped prostate cancer patients significantly. Briefly, in this study physicians followed 2062 men with localized prostate cancer for a median follow-up of 6.5 years. The researchers paid close attention to the diet of these patients. Physicians compared patients with a high plant-based diet index to patients with a high meat/dairy diet index. Researchers measured prostate cancer progression and found a 47% reduction in prostate cancer progression with the plant-based diet group. This was in comparison to the meat/dairy group. They concluded that consumption of a primarily plant-based diet associated with a better health outcome for prostate cancer patients.

Colon cancer studies on plant-based diet and exercise

The medical literature shows that the survival of colon cancer improves when patients consume plant-based diets and at the same time exercise regularly. One study showed that a combination of plant-based diet and regular exercise allowed colon cancer patients to survive longer. This was in comparison to a control group on meat/dairy products who did not exercise.

Breast cancer patients

Researchers followed 6,235 breast cancer patients for 9.4 years. A group of women with hormone-negative breast cancer on soy products reduced their risk of dying from breast cancer by 21%. A low-fat diet following breast cancer diagnosis reduced the risk of breast cancer recurrence by 23%. At the same time a low-fat diet also reduced mortality from breast cancer by 17%. Another medical study compared the diet of women who developed breast cancer with diets of women who did not have breast cancer. The offending foods were American, cheddar, and cream cheeses. Women who ate most of these in their diet had a 53% higher risk of developing breast cancer.

36 foods that help you to fight cancer

The MD Anderson Cancer Center website lists 36 foods that help you to fight cancer. On top are foods like berries, broccoli, tomatoes, walnuts, grapes and other vegetables, fruits and nuts. Vegetables come in a variety of different colors. Be sure you aim for a rainbow color mix to get the most phytochemicals from your vegetables. Include frozen vegetables, whole grains and avoid processed foods. The website also reminds people that processed meats, red meat and too much alcohol causes various cancers. Women should limit alcoholic drinks to one drink per day. Men should limit their alcohol intake to two drinks per day. Less than that is desirable.

Prostate Cancer Patients Were Significantly Helped with a Plant-based Diet

Prostate Cancer Patients Were Significantly Helped with a Plant-based Diet

Conclusion

Recently a medical publication stated that prostate cancer patients were significantly helped with a plant-based diet. However, further research of medical publications showed that colon cancer and other cancers were also reduced on this diet. In addition, breast cancer survival increased on soy products, low-fat diets and plant-based diets. Any processed food leads to cancer, heart attacks and strokes with increased mortality rates. The MD Anderson Cancer Center website lists 36 foods that showed cancer protection from phytochemicals. Don’t wait until you come down with cancer, adopt a sensible diet for cancer prevention now!

Jul
06
2024

New Protein Biomarkers Help Diagnose Cancer 7 Years earlier

By | Arthritis, breast cancer, Cancer, cervical cancer, colorectal cancer, leukemia, lung cancer, prostate cancer

Several studies showed that new protein markers help diagnose cancer 7 years earlier than conventional tests. One study described how researchers were able to diagnose 19 different cancers years before other tests could show these results. Another study confirmed that 2,074 circulating proteins showed an association with 9 cancers. These consisted of bladder, breast, endometrium, head and neck, lung, ovary, pancreas, kidney, and malignant non-melanoma.

First study

The first study found 371 plasma protein markers that pointed to an increased cancer risk. 107 of them showed an association with cancers that physicians could only diagnose 7 years later. The researchers stated that there was an opportunity for early diagnosis and treatment. The treatment results would be much better than it is the case with a later diagnosis. In this study researchers examined plasma from 503,317 adults aged 39 to 73.

Second study

The second study found an association between 40 specific proteins and 9 common cancers as mentioned above. Researchers examined a total of 2,074 circulating proteins in 337,822 cancer cases. Of the 2074 circulating proteins only 40 proteins were specific for the nine cancers that I mentioned above.

Proteomics

The scientists who performed the studies with data from the UK Biobank specialized in the discipline of proteomics. This involves a thorough investigation of proteins in blood plasma. Here is a summary of a discussion of the findings of both studies.

The first study identified plasma proteins that showed linkage to an increased risk of cancer of the liver, digestive and gastrointestinal tracts, non-Hodgkin lymphoma, as well as colorectal, lung, kidney, brain, stomach, esophagus, endometrium, and blood cancers.

The second study showed links of protein markers to these 9 cancers: bladder, triple-negative breast, endometrium, head and neck, lung, ovary, pancreas, kidney, and malignant non-melanoma.

The authors of both studies felt that their findings contributed to an early diagnosis of these cancers. Specifically, analysis of blood plasma proteins can diagnose cancer 7 years before a clinical diagnosis.

Discussion

Joshua Atkins, PhD, BBmedSci, a senior genomic epidemiologist at the University of Oxford stated: “Proteins that are not causal for cancer development, but are a consequence of cancer growth can provide avenues for detecting cancers at an earlier stage when treatment can be more successful.” Dr. Atkins said further: “Nevertheless, disruption of these processes can result in diseases including cancer. For some proteins, higher blood levels are linked to higher cancer risk, while others may be protective, so higher levels are linked to lower risk.” He explained further that protein concentrations are not always related to one tissue type. He said: “The protein FGFR3 is linked to an increased risk of bladder cancer, but lowering its levels is tied to an increased osteoarthritis risk.” It will take more investigations before a clinical test is available that physicians can order to diagnose cancer early.

New Protein Biomarkers Help Diagnose Cancer 7 Years earlier

New Protein Biomarkers Help Diagnose Cancer 7 Years earlier

Conclusion

Blood proteins showed linkage to a number of cancers in two separate research papers based on the UK Biobank data. The first study identified plasma proteins that were linked to an increased risk of cancer of the liver, digestive and gastrointestinal tracts, non-Hodgkin lymphoma, as well as colorectal cancer, also lung, kidney, brain, stomach, esophagus, endometrium, and blood cancers.

The second study showed links of protein markers to these 9 cancers: bladder, triple-negative breast, endometrium, head and neck, lung, ovary, pancreas, kidney, and malignant non-melanoma. On average these sensitive cancer tests can diagnose cancer 7 years before a clinician is able to diagnose it. In the future your doctor may screen you for cancer as you age, as cancer is mostly a disease of older people. Earlier diagnosis of cancer will give better treatment results.

Jun
22
2024

Metabolism Can Vary in People

By | Cancer, Cardiovascular disease, cholesterol, Diabetes, diet, exercise, fasting mimicking diet, Fitness, green tea, Hormones, lifestyle, mitochondria, Obesity, Smoking, Weight loss

Weight loss is easier for some than others, because metabolism can vary in people. In the following I will outline this in more detail. A biochemist recently published an article in “the conversation”, which is the basis for my review.

Everybody has their own metabolism

It is important to realize that everything that our body comes in contact with influences our physical characteristics like our blood pressure and our energy. Together all the biological characteristics have the name phenotype. The most important factor that influences our phenotype is our metabolism. It matters what you do like eating, whether you are taking medication, smoking, or exercising. This all influences your metabolism. On a molecular level it starts when your digestive system breaks nutrients down into each component: carbohydrates, fats and protein. When your digestive juices break down these food components, electrons are released from chemical bonds. These are transferred to the mitochondria, the energy packages in all of our cells. It is important to note that we do not all have the same metabolism as our neighbour. There are different types of metabolism.

Metabolism of an elite athlete

Elite athletes are not born that way. They have to practice hard physically for many hours a day and do that over several years. Their bodies adapt to the regular training by creating extra mitochondria in every cell of their body. Their body also learns how to burn fat, carbs and amino acids into chemical energy effectively. The elite athlete has superior energy production.

Metabolism of a Covid-19 patient

At the other end of the spectrum is the metabolism of a Covid-19 patient. Researchers found by examining patients who got sick from Covid-19 that their fat metabolism was impaired. This inability to burn fat persists in long Covid patients. The fatigue from long Covid is due to a dysfunction of the mitochondria. The mitochondria are not producing enough energy.

The in-between metabolism of blood donors

Travis Nemkov is an assistant research professor at the University of Colorado Anschutz Medical Campus. His team investigated blood from 13,000 blood donors. They found that the metabolism of blood donors placed between the metabolism of elite athletes and that of Covid-19 patients. They also found a lot of variation of a metabolite by the name of kynurenine, which is due to a breakdown of the amino acid tryptophan. The researchers found that blood from donors with higher kynurenine levels was unable to restore blood levels of blood recipients. In addition, they found that kynurenine levels were higher in older donors and also in patients with obesity (higher BMI’s). Kynurenine was also a strong predictor for Covid-19 severity.

Weight loss problems when the metabolism is slow

We all know people who have a problem shedding their weight compared to others who loose weight with only a few days of food restriction. “People might have fast, slow, or average metabolism, regardless of their body size and composition,” says Dr. Chih-Hao Lee, professor of genetics and complex diseases at Harvard’s T.H. Chan School of Public Health. This Harvard University website explains this in detail. How do we speed up a naturally slow metabolism?  We can exercise a bit more, and watch the quality of our food intake. This means cutting out added sugar, too much fat, too many carbohydrates and processed foods. The Harvard website says: “Studies have found green tea contains a compound called epigallocatechin gallate, which may increase the calories and fat you burn. “By making these small changes mentioned you can rev up your metabolism.

Hormones and body weight

Our metabolism and body weight depend on a number of hormones: leptin, insulin, estrogens, androgens and growth hormone play a crucial role in weight control. Additional hormones, such as the thyroid hormones are involved in maintaining our weight in a healthy range. Researchers have noticed that patients with hypothyroidism gain weight and burn less calories in their mitochondria. On the other hand, patients with hyperthyroidism stimulate their metabolism, lose weight and burn more calories. The exact mechanism of how thyroid hormones interact with the other hormones is unknown.

Metabolism Can Vary in People

Metabolism Can Vary in People

Conclusion

I came across a review about metabolism and weight control, written by a biochemist. He pointed out that different people have different metabolisms. Examples he gave were the metabolism of elite athletes and the metabolism of Covid-19 patients, who are at the low end. His team investigated the metabolism of 13,000 people who were blood donors. He called them people with an in-between metabolism.

How to speed up naturally slow metabolism

How do we speed up a naturally slow metabolism?  We can exercise a bit more, and watch the quality of our food intake. This means cutting out added sugar, too much fat, too many carbohydrates and processed foods. Your physician can also tell you whether your thyroid hormones and your human growth hormone are adequate. Other hormones that regulate your metabolism are leptin, insulin, estrogens and androgens. When you look at the factors that are responsible for your metabolism, the genetic factors come first. Your hormone status, eating pattern and exercise status come second. But by making small changes to the factors mentioned you can rev up your metabolism significantly.

Jun
10
2024

About Aging and a Prolonged Life

By | alcohol, andropause, Cancer, Cardiovascular disease, Diabetes, diet, exercise, fasting mimicking diet, Fitness, heart attack, High Blood Pressure, Hormones, Menopause, Mortality, Obesity, Prevention, sleep

The topic “about aging and a prolonged life” is always popular with people. CNN recently discussed this topic with the Nobel prize winner and molecular biologist, Professor Venki Ramakrishnan. He shared the 2009 Nobel Prize in Chemistry with Thomas A. Steitz and Ada Yonath for research on the structure and function of ribosomes. Ribosomes are sub particles in the cell responsible for making proteins. In the following I will summarize this interview.

What is aging?

150 years ago, people lived only about to 40 years. Today we can live up to 84 years in most countries. It is because medicine has learnt a lot about the reasons why diseases occur and how they can be cured. Physicians have a number of antibiotics available for those who suffer infections. Heart bypass surgeries and stents can prolong a person’s life when there is hardening of the coronary arteries.

Aging processes

The following aging processes occur all our lives:

  • DNA breaks happen in our cells, but repair mechanisms are in place that deal with this. With older age repair mechanisms are more sluggish.
  • Faulty proteins form inside cells, however, we have mechanisms to take care of that.
  • Chemical damage to molecules in our cells accumulates. The cells can only partially eliminate these.
  • Hormone disbalances occur during menopause and andropause. But anti-aging physicians can correct this by doing hormone tests and ordering bioidentical hormone supplements.
  • There are limits of what anti-aging medicine can do: osteoarthritis affects our joints; our muscles are aging and with it our heart muscle. Degenerative neurological diseases like multiple sclerosis, Parkinson’s disease and dementia occur frequently as we get older with no effective therapies.
  • The immune system weakens with age. To a certain extend vitamin D3 and other supplements can strengthen it, but only to a certain extent.

Systems working together in our body

Dr. Ramakrishnan said that our bodies work like cities. In it are various systems that need to work together to keep us alive. If a major system fails, we die. Some of the essential organ systems are the heart, the brain, kidneys, our gut, the lungs, the bone marrow and all our hormone glands. If one of these organs breaks down, we are in trouble. If an organ donor is not available, we perish. But even when everything is working together well, we are limited reaching a maximal lifespan of about 120 years. This has to do with limits of our cell metabolism and the aging processes mentioned above. Science has not found a way to prolong our maximal lifespan and likely will not find one soon. But there are various lifestyles that can prolong life as I mentioned here before.

Genetic effect on our lifespan

CNN asked Dr. Ramakrishnan what genetic effects there are that would transmit longevity from a parent who lived until 95 or older to a child’s lifespan. He answered the following: “There is a correlation between the ages of parents and their children, but it’s not perfect. A study of 2,700 Danish twins showed that heritability — how much of our longevity is due to our genes — only accounted for about 25% of lifespan. Still, researchers have found that mutation in just a single gene can double the lifespan of a certain type of worm. Clearly there’s a genetic component, but the effects and implications are complex.”

Relationship between cancer and aging

The same genes are involved for the growth of the body at a young age, and the older person who comes down with cancer. In old age the same genes can cause cancer and dementia. Dr. Ramakrishnan said: “Our risk of cancer increases with age because we accumulate defects in our DNA and genome, which sometimes cause gene malfunctions that lead to cancer. But many of our cellular repair systems that seem to be designed to avoid cancer early in life also cause aging later.”

Apoptosis (programmed cell death) and senescent cells

The body has two mechanisms in place that counter the danger of developing cancer cells. Dr. Ramakrishnan explained: “For example, cells can sense breaks in our DNA that might allow chromosomes to join in an abnormal way, which could lead to cancer. To prevent that joining, a cell will either kill itself or enter a state called senescence, where it can no longer divide. From the perspective of an organism like us, which has trillions of cells, this makes sense. Even if millions of cells are destroyed this way, these actions protect the whole organism. But the buildup of senescent cells is one of the ways we age.”

Lifestyle changes that help you live longer

Dr. Ramakrishnan said that our grandmothers knew what a healthy lifestyle was. The following is a list of what science now confirms adds years to your life:

  • Don’t be gluttonous. Eating a variety of healthy foods in moderation can prevent the health risks of obesity.
  • Get exercise: this helps us regenerate new mitochondria, which are the powerhouses of our cells providing energy.
  • Avoid stress, which creates hormonal effects that change our metabolism and can accelerate aging.
More life prolonging points:
  • Get enough sleep. This allows our bodies to do molecular-level repair.
  • One of the newer findings is Dr. Longo’s fasting mimicking diet. Do a semi-fast once a month for 5 days with 500 to 600 calories per day. This helps you to shed 0.5 to 0.7 units of body mass index. It also stimulates your immune cells, your stem cells and elongates your telomeres. Long telomeres make you live longer.
  • Replacing missing hormones with the help of an anti-aging physician will add about 10 years to your life. I mentioned this earlier.

A few more points about longevity research

Dr. Ramakrishnan said: “Already the top 10% of income earners in both the US and the UK live more than a decade longer than the bottom 10%. If you look at health span — the number of years of healthy life — that disparity is even greater. Poorer people are living shorter, less healthy lives.” He said further about the concept of “immortality”: “I think this quest for immortality is a mirage. One hundred and fifty years ago, you could expect to live until about 40. Today, life expectancy is about 80, which, as author Steven Johnson has said, is almost like adding a whole extra life. But we’re still obsessed about dying. I think if we lived to be 150, we’d be fretting about why we’re not living to 200 or 300. It’s never-ending.”

About Aging and a Prolonged Life

About Aging and a Prolonged Life

Conclusion

CNN discussed the quest for longevity with Nobel prize winning Dr. Ramakrishnan. He pointed out that the aging process is due to a number of factors that work together. There are DNA breaks, faulty proteins, chemical damage to molecules, hormone disbalances and degenerative changes. We need to watch that we do not overeat, get regular exercise and eat a variety of healthy foods. In addition, we need to avoid stress, get enough sleep and replace missing hormones with bioidentical hormones. A newer boost to your health is the fasting-mimicking diet (FMD) from Dr. Valter Longo that helps you keep your weight in the lower body mass index range. Dr. Longo showed in animal experiments and with humans that the FMD elongates telomeres, which directly prolongs life.

Apply what helps your longevity

While it is far-fetched to believe that we now have a ticket to live for 120 years or longer, it is more important to know that we can do our part to spend our golden years in health and wellness.

May
25
2024

Cancer in younger Adults is due to Accelerated Aging

By | alcohol, Cancer, Cardiovascular disease, diet, Heart Disease, Mortality, Processed food, telomeres

Recent research showed that cancer in younger adults is due to accelerated aging. Researchers presented a paper at the American Association for Cancer Research (AACR) Annual Meeting 2024. They discussed in detail how cancer presents in aging tissues.

Details of the study

Researchers examined the UK Biobank databases of 148,724 individuals aged 37 to 54 years. 9 biomarkers from blood of these patients served to calculate the biological age of these patients. The following were the blood tests: albumin, alkaline phosphatase, creatine, C-reactive protein, glucose, mean corpuscular volume, red cell distribution width, white blood cell count, and lymphocyte proportion. I will discuss below how they calculated the biological age from these factors. In most patients there was a discrepancy between the chronological age and the biological age.

The researchers also checked the cancer registries to check how many cancer patients were found before age 55. Nearly 3200 cancers were found. Patients born between 1950 and 1954 were compared to patients born in or after 1965. Surprisingly the younger patients (born in or after 1965) had 17% higher accelerated aging. This made this group more prone to develop early cancers.

Significance of accelerated aging regarding cancer frequency

The researchers also found that increases in accelerated aging were associated with a significant risk of early-onset lung cancer, early-onset gastrointestinal cancer, and early-onset uterine cancer. Individuals who had the highest amount of faster aging were compared to people who had the smallest amount of faster aging. The faster aging group had twice the risk of early-onset lung cancer, more than 60% higher risk of gastrointestinal tumors, and more than 80% higher risk of uterine cancer.

Calculating the biological age 

The following is a list of items to calculate the biological age (taken from this CNN source):

  • albumin: a protein made by the liver that declines with age
  • creatinine: a waste product in blood produced by protein digestion and the breakdown of muscle tissue; a measure of kidney function. Lower levels correlate with better longevity.
  • glucose: With age, blood sugar stays higher for longer after meals.
  • c-reactive protein: made by the liver in response to inflammation; relatively higher levels correspond to faster aging
  • lymphocyte percent: The concentration of these white blood cells related to immune function tends to decrease with age.

More items to calculate biological age:

  • mean cell volume: a measure of the average size of red blood cells, which increases with age
  • red cell distribution width: the difference between the size of a person’s smallest and largest red blood cells, which tends to increase with age
  • alkaline phosphatase: an enzyme produced mainly by the liver and bones that tends to increase with age
  • white blood cell counts: Numbers of white cells in the high end of the normal range in the blood may correspond with greater aging.

Using these criteria, a research group developed the algorithm PhenoAge. This is how the biological age was calculated.

What factors lower the biological age?

There are 8 essential components that determine your biological age: diet, physical activity, avoiding nicotine exposure, sleep health, lower body mass index (BMI), cholesterol, blood sugar, and blood pressure. This link states that when you optimize this list of 8 essential components your biological age will be 6 years less than your chronological age. It will make you resistant to several diseases including cancer.

Your telomere length is important to reduce your biological age

Researchers know for some time that telomere length determines the biological age. Telomere length determines how old we get. It also can predict whether we get illnesses like cancer and cardiovascular diseases as we age. In addition, it determines whether you get the blessing of longevity or not. Researchers showed that two lifestyle habits, namely a Mediterranean diet and regular exercise, preserve our telomeres to give us a younger biological age.

Effect of Junk foods on our biological age

Too many people eat unhealthy foods like processed meats, French fries, hamburgers and other processed foods. How does this affect your lifespan? When we consume unhealthy foods and beverages, like sugar-sweetened beverages and highly processed foods, we gain weight. Obesity and other chronic conditions are the results that put us at a higher risk regarding at least 13 types of cancer. Included in this are endometrial (uterine) cancer, breast cancer in postmenopausal women, and colorectal cancer.

How can we counter the devastating effect of highly processed foods?

We need to buy whole foods that were not processed. Buy fresh vegetables, fruit, nuts, organic chicken, fish like wild salmon.  Cook your own meals. This link describes anti-aging foods that help you to enjoy a longer life with less diseases. Other studies showed in the past that this type of food preserves your telomeres, prevents many cancers and prevents heart attacks and strokes.

Discussion

The study in the beginning of this review showed a higher cancer frequency in younger patients. This is a new concerning trend. But the study failed to show the reason behind this. In my opinion it is the fact that younger people nowadays have poorer lifestyles than in the past. They consume junk foods and larger amounts of alcohol regularly. This behavior pattern causes shortening of telomeres, lowering of the biological age and the emergence of diseases mentioned above. We need more research into the causes of telomere shortening in younger patients. Also, why do they experience accelerated aging with an increase in the biological age? The research paper shown in the beginning of this review was done on a British population.

There is a need for other studies

A similar study with a more diverse population including a record of their eating habits would be welcome. Apart from measuring the biological age, measuring the telomere length would also be useful. In addition, a control group of younger people who consume healthy foods would help as a contrast. This control group likely would have a lower biological age and longer telomeres than the experimental group.

Cancer in younger Adults is due to Accelerated Aging

Cancer in younger Adults is due to Accelerated Aging

Conclusion

In the beginning of this review, I described a study about younger patients. They had an accelerated biological age with a higher rate of various cancers. I showed that other researchers examined telomere length and the longer it was the less cancer the patients got. I mentioned that eating junk foods, processed meats and consuming sugary drinks was bad for your health. This accelerates your biological age and shortens your telomeres. As this study was based on a British cohort, we need new research that concentrates on a more diversified population. Apart from measuring the biological age, measuring the telomere length would also be useful. In addition, a control group of younger people who consume healthy foods would help as a contrast. This control group likely would have a lower biological age and longer telomeres than the experimental group.

May
13
2024

Reduction of Alcohol Intake Is Associated with Less Heart Attacks and Strokes

By | addiction, alcohol, Cancer, Cardiovascular disease, heart attack, Mortality, Stroke

Recently Korean researchers showed that a reduction of alcohol intake is associated with less heart attacks and strokes. This was published on March 28, 2024. The researchers followed 21,011 participants who were heavy drinkers. The baseline examination took place 2005-2008 and a follow-up exam was between 2009 and 2012. Definition of heavy drinking was as follows:

  • For men: 4 drinks (56 g) per day or more than 14 drinks (196 g) per week.
  • For females: more than 3 drinks (42 g) per day or more than 7 drinks (98 g) per week.

Reduced alcohol intake resulted in a 23% reduced risk of heart attacks or strokes, which was a significant finding. Patients benefited most from alcohol reduction regarding angina and ischemic strokes. This study was also reviewed in Medscape:

Other studies showing benefits of less alcohol intake

A 2018 study in Plos Medicine examined a US population of 99,654 adults (68.7% female).

At the time of the enrolment, they were 55–74 years old. The overall time of follow-up was 8.9 years. Scientists looked at the various risks of cancer development or deaths from cardiovascular disease as a function of the amount of average alcoholic drinks consumed. The results were as follows:

  • Never drinkers: 1.09-fold risk of cancer or death.
  • Infrequent drinkers: 1.08-fold risk of cancer or death.
  • Heavy drinkers: 1.10-fold risk of cancer or death.
  • Very heavy drinkers: 1.21-fold risk of cancer or death.

Heart attack risk and cancer risk from alcohol consumption are different

In addition, with respect to cardiovascular risk it followed a J-curve. This means that light alcohol use reduced the probability of death from a heart attack or stroke, but with moderate or heavy alcohol use the risk of death increased. In contrast, with respect to cancer there was a linear curve, which means that no dose of alcohol was safe for cancer development. The more alcohol you consumed, the higher the risk of cancer development was. Another study also showed that only moderate alcohol consumption benefited people in preventing heart attacks and strokes.

Chinese study

In 2021 a joint US/Chinese study examined the effects of alcohol consumption on cancer, deaths from cardiovascular disease and mortality in general. 83,732 adult Chinese participants were free of cardiovascular disease (CVD) and cancer in the beginning of the study. The researchers categorized participants based on self-reported alcohol consumption into 6 groups.

  1. 0 g alcohol/week (non-drinkers).
  2. 1-25 g alcohol/week.
  3. 26-150 g alcohol/week.
  4. 151-350 g alcohol/week.
  5. 351-750 g alcohol/week.
  6.  > 750 g alcohol/wk.

Results of the US/Chinese study

After 10 years of follow-up there were 6411 cases of CVD, 2947 cancers and 6646 deaths. After 10 years of observation researchers calculated the risk for cancer, CVD and mortality as follows. The risk groups are the same as mentioned above.

The lowest risk was group 2 with 1-25 g alcohol per week, which was set as 1.0. In comparison to these non-drinkers had a risk of 1.38-fold.

  1.     1.38-fold risk
  2.     1.0
  3.     1.15-fold
  4.     1.22-fold
  5.     1.33-fold
  6.     1.57-fold

The peculiar finding in this study was that non-drinkers had a risk of developing cancer, heart attacks or strokes like heavier drinkers. The risk curve has the name of a J-curve, which means the risk goes first down (like group 2, the 1-25 g alcohol/week group). Subsequently the risk curve goes up in a linear fashion. When people smoke and drink the risk is higher than the risks of people who only drink alcohol.

Reduction of Alcohol Intake Is Associated with Less Heart Attacks and Strokes

Reduction of Alcohol Intake Is Associated with Less Heart Attacks and Strokes

Conclusion

The fact that alcohol is a cell poison has been public knowledge for some time. I reviewed three studies that showed that less alcohol consumption saves lives. It does so by causing less cancer, heart attacks and strokes. The peculiar finding was that the group consuming 1-25 g alcohol/week had the best health statistic. This group had the lowest risk of causing cancers or cardiovascular disease (CVD). In comparison non-drinkers had a 1.38-fold risk to cause cancer or CVD. Those participants who were smoking as well had risks much higher than people consuming alcohol alone. If you want to live longer and stay healthy don’t smoke and drink not more than 1-25 g alcohol/week. This translates into 1.6 to 1.8 alcoholic drinks per week.

Apr
13
2024

Eating the right Food Determines your Health

By | Cancer, diet, exercise, food, Health, heart attack, Mortality, Nutrition, Prevention, sleep, sugar

CNN had an interview with Dr. Leana Wen about the fact that eating the right food determines your health. Dr. Wen is a wellness expert, an emergency physician and adjunct associate professor at George Washington University.

How much does the quality of food we eat influence our health?

There are detailed studies that showed the following effects of healthy food on our lives.

  • If you eat a diet consisting of more vegetables, fruits, whole grains and nuts, the following will happen. You could exceed the age of controls eating unhealthy food by 10 to 13 years.

Specifically, a woman starting such a diet at age 20 would add 10 years to her life, when starting at age 60 she could add 8 years to her life. For men starting this diet at age 20 would allow him to gain 13 years, when starting at age 60 he would add 9 years to his life.

Additional healthy food studies

  • A 2023 Nature study found that men can add 10.8 years, women 10.4 years by switching their diets. This switch was from unhealthy diets to a longevity diet with more whole grains. In addition, the healthy diet contained more nuts and fruits and less sugar-sweetened beverages and processed meats.
  • Another 2023 study from the Jama network followed over 100,000 people for more than 30 years. There was an association between adopting healthy eating patterns and a reduction in early mortality. People on a healthy diet reduced their risk of early death by 20%! The study also noticed that people who ate more whole grains, fruits, vegetables, nuts and legumes had fewer other diseases. They were less likely to die from cancer, cardiovascular illness and respiratory and neurodegenerative disease. These were important findings. 

What kinds of food make you live longer?

Dr. Wen stated clearly that it is only minimally processed, whole food that allows a person to live longer. The highly processed foods like processed meats, sausages, cakes and cookies are a “no go”. They are the ones that cost lives from heart attacks, strokes and cancer. On the other hand, leafy green vegetables, fresh fruits and whole grains associate with significantly reduced mortality. Fish contains omega-3 fatty acids, which reduce heart disease and dementia. It is also a good source of protein. So, stay away from hot dogs and chicken nuggets, instead enjoy salmon fillet or roasted chicken.

Foods that you need less of

Avoid sugar sweetened sodas and energy drinks, as they elevate cholesterol levels and cause heart attacks. Next, stay away from ultra-processed foods like chips and candies. In one study with more than 11,000 participants people who ate a lot of ultra-processed foods had a 31% higher risk of mortality.

With what do you replace junk food?

Here are a couple of examples. Somebody who used to drink a lot of sodas can replace them with water, sparkling water, flavored water or lemon juice, sweetened with stevia. Instead of snacking on ultraprocessed foods like chips, candies or pretzels eat nuts instead. Look at the list of ingredients before you buy anything in the grocery store. If there is a long list of ingredients including chemicals, this is ultraprocessed food. Replace it with minimally processed foods with only a few items on the ingredient list.

Other advice for health and longevity

  1. If possible, eat three meals a day (breakfast, lunch and dinner). Stop eating 2 hours before bedtime to allow your guts to digest the food you previously ate. This avoids heart burn and interference with your sleep.
  2. Exercise regularly. Studies showed that 150 minutes of vigorous exercise per week reduced mortality by 23%.
  3. Take care of stress in your life. Cherish your social life and socialize; it is important for longevity. See your doctor regularly to take care of any medical problems you may have.
  4. Watch your sleep habits. Many studies have shown that adults need 7 to 8 hours of sleep. Sleep restores your hormone glands, gets them ready for the next day, but it is also important for longevity.
  5. Keep your body mass index (BMI) between 21.0 and 24.0. Personally, I keep my BMI between 21.0 and 22.0. Any extra pounds of fat merely lead to elevated cholesterol and triglycerides. Eventually this leads to heart attacks and strokes, but also to diabetes.
Eating the right Food Determines your Health

Eating the right Food Determines your Health

Conclusion

A recent article in CNN described that eating the right food determines your health. One study said that you should eat a diet consisting of more vegetables, fruits, whole grains and nuts. Doing this increases your life expectation by 10 to 13 years compared to controls who ate unhealthy food. It is only minimally processed, whole food that allows a person to live longer. You must eliminate ultraprocessed food. This means you should not consume sausages, fries, chips, pretzels and other overprocessed foods. Instead, eat leafy green vegetables, fresh fruits and whole grains that associate with significantly reduced mortality. Yes, eating the right food determines your health.

Mar
02
2024

Living with the Aging Process

By | Alzheimer’s disease, andropause, Arthritis, Cancer, Cardiovascular disease, cholesterol, Diabetes, diet, erectile dysfunction, exercise, heart attack, Hormones, lifestyle, Menopause, osteoarthritis, telomeres

The following article describes living with the aging process. Older adults undergo the process of aging between the ages of 50 and 80. This is a complex process affecting various systems parallel. There are hormone factors that are particularly prominent in women during menopause. Joints are affected by degenerative changes, which can lead to total knee and hip replacements. The aging process was described in an article by Monica Jimenez at Tufts University.

What is aging?

Aging is the loss of function over time. The body is much more complex than a car, so there are more possible points of failure.  Christopher Wiley is a scientist on the Basic Biology of Aging Team who studies the role of nutrition and metabolism in aging at a cellular level at Tufts University. He said:” The fact that life works is amazing”. He went on to say: “The body tries to maintain itself and restore homeostasis(self-healing) even in the face of all this stress and all this damage. We have these really sophisticated programs for dealing with these points of failure.”

Aging goes on relentlessly

He explains the aging process this way: “It can start with something as simple as a broken molecule, one little thing that goes wrong in one cell, and then it’s like the butterfly effect,” Wiley said. “The tissue starts struggling, and then the organ, and then your entire body.”

Dr. Wiley warns about those who say physicians could make people “immortal”. “There’s definitely a misconception out there that we’re trying to make people immortal. But there is never going to be an immortality vaccine,” Wiley said. “There’s never going to be one thing that defeats all of aging. There’s always going to be another point of failure.”

Slowing down biological aging

The emphasis of research about aging is not to add chronological years. It is on biological aging and on how well our cells and tissues are functioning. Dr. Sarah Booth is the director of the Human Nutrition Research Center on Aging (HNRCA) at Tufts. She said: “Lengthening the time in which we can continue to move around, care for ourselves, and participate in social life and activities, is a worthier goal than extending years of suffering.” Many people become disabled in their last years of life, then they die. “Healthspan” is a new term for our years of freedom from disability, Booth noted.

Factors that prolong healthy aging

  1. Telomere length: One of the factors of longevity is our telomere length. Telomeres are the protective caps at the end of each chromosome. When they wear down, it leads to mistakes in the DNA copies of genetic information. There are supplements and herbs that can elongate telomeres. Exercise and the fasting mimicking diet also make telomeres longer. Older adults in good shape have longer telomeres, which stabilizes the DNA in their cells.
  2. Healthy diet: Researchers have determined that several diets are healthier than others. The Mediterranean diet is anti-inflammatory, so is the DASH diet, which was developed for people with high blood pressure. The HNRCA of Tufts is one of six organizations that got research grants recently to investigate life-prolonging diets. The amount was for $8.5 million.

Exercise and lifestyle factors

  1. Regular exercise: Over the years a lot of research accumulated data that shows regular exercise makes people biologically younger. Heart vessels have less atheromatous deposits and the brain stays younger as well. One study reported that 30 minutes of exercise daily prevents dementia.
  2. Other lifestyle factors: other factors are whether or not you are smoking (it goes without saying that you must quit). In addition, genetics (longevity gene), the environment (polluted or not), stress levels and socioeconomic class all play a factor in how fast we age. These latter points are difficult to tease apart, but they influence us globally. Target organs for aging are: the brain, heart, eyes, and bones, along with cancer, obesity, and more.

Hormone replacement 

  1. Bioidentical hormone replacement: One factor about delaying aging significantly was not mentioned in the review article by Monica Jimenez. But I am including it, because bioidentical hormone replacement is important for women who undergo menopause in their 50’s. I also mention it because men enter andropause in their 60’s. BiEst estrogen and progesterone cream make a big difference for the symptoms of menopausal women. Similarly, men experience a lot of relief with testosterone injections twice a week, when blood testosterone levels are low. If they have a lack of erections (erectile dysfunction) they may in addition need to take the “happy pill”. Sildenafil or tadalafil can treat erectile dysfunction by giving a good erection to a menopausal male. Hormone replacement can add as much as 10 healthy years to your life.

Discussion

Dr. Booth said: “We’re looking at the same question through different lenses with different tools, technologies, and perspectives. Progress in aging research is only going to be achieved by bringing together different disciplines addressing the same problem.”

Christopher Wiley added: “The biggest change I’ve seen in the past ten years is that we really are finding new, different ways of actually intervening somewhere that could potentially extend the healthy years of life, and prevent people from getting age-related diseases.” He mentioned that scientists are gradually reducing the suffering associated with aging: “What aging research is really trying to do is compress the morbidity and make it as small as possible – to alleviate suffering,” Wiley said. “I think that’s a much more humanitarian goal, and I think we’re having a lot of success with those efforts.”

Living with the Aging Process

Living with the Aging Process

Conclusion

Aging is a slow process that starts the moment we are born. But between the age of 50 and 80 we age faster. I mentioned 5 specific areas that can slow down the aging process. If somebody smokes, he/she must stop smoking. Cigarette and tobacco smoking  the biggest aging factor. The protective caps at the end of each chromosome go by the name of telomeres. When they shorten prematurely, mistakes occur in the DNA copies of genetic information. This leads to premature aging.

What keeps you younger for longer

The good news is that exercise, the fasting mimicking diet and several supplements can elongate telomeres. A healthy diet like the Mediterranean diet and regular exercise keeps the arteries open preventing heart attacks and strokes. Bioidentical hormone replacement helps to rebalance your hormones, which is important for normal cell function. In anti-aging circles they talk about life prolongation of about 10 years for hormone replacement alone. It comes down to not simply extend your lifespan, but to extend your years of healthy living without disability.