Archives for April 2016


The Hazards Of Formaldehyde

Toxic levels of formaldehyde in laminate wood flooring were underestimated, concealing the hazards of formaldehyde. Specifically, laminate wood flooring produced in China and sold by Lumber Liquidators, based in Toano, Virginia were identified as a problem.

News about the hazards of formaldehyde in Chinese laminate flooring

Last year CBS ran a story with Anderson Cooper regarding Chinese imported laminate flooring that emitted more than the stated amount of toxic formaldehyde. This was based on independent testing by CBS. They found between 6 and 7 times the amount of formaldehyde was released from laminate packages that were considered to be the upper limit of what is allowed in California. Some packages of the cheap Chinese made laminate flooring even released 20 times the allowable amount.

Formaldehyde is part of the glue used to bind the wood particles together to make the laminate flooring. The laminate top seals the wooden core and keeps most of the formaldehyde inside. But over time it gradually leaks into the home. It is a matter of how much formaldehyde was in the glue and how well the home is ventilated, which determines the concentration of formaldehyde in the air.

CBS bought 31 boxes of the Chinese-made laminate flooring that Lumber Liquidators was selling in Virginia, Florida, Texas, Illinois and New York. Samples were sent to two reference labs. Only one package was compliant with formaldehyde emissions standards. Some were more than 13 times over the California limit. Both labs were surprised how high the readings were, as they had not encountered this when they tested regular laminate flooring before.

Effects of the hazards of formaldehyde

  1. Dr. Philip Landrigan at N.Y.’s Mt. Sinai Hospital specializes in environmental pediatrics and exposure to toxic chemicals. He stated that what matters is the concentration of formaldehyde in the typical home where such a floor is installed. It needs to be stated that these toxic levels were only found in the cheap flooring of the above named company and this product has since been removed from the market. Formaldehyde is a known carcinogen (cancer producing substance). It irritates the airways, particularly in individuals who are sensitive like asthmatics.
  2. A 2014 occupational medicine study from China compared factory workers exposed to formaldehyde with controls. They found higher formic acid levels in the urine of exposed workers. Formic acid is the end metabolic product of formaldehyde. They also had higher B cell lymphocyte counts (in the high dose exposure group) and higher natural killer lymphocyte counts (in the low dose exposure group). This would explain the toxic effects on the immune system and the higher incidence of cancer in formaldehyde exposed individuals.
  1. A 2015 study from Portugal examined DNA abnormalities in cells from anatomy workers. Anatomy workers are exposed to formaldehyde fumes from corpses preserved in formaldehyde that are prepared for anatomy courses. They also get exposed when fixating histology slides with formaldehyde to get them ready for microscopic examination. The formaldehyde concentration in the air of the anatomy lab was measured as 0.38 parts per million. Genetic analysis of cells from the mouth cavity and nasal cells showed significant DNA abnormalities, while controls without formaldehyde exposure did not have such DNA changes.
  1. In this study there was insufficient data to link formaldehyde exposure to causation of leukemia.  It is peculiar that on a molecular level it is clear what formaldehyde does to the p53 suppressor gene. But it is more difficult to show the link of formaldehyde exposure to the causation of a multitude of cancers.
  1. The WHO recommends keeping formaldehyde below 0.08 ppm in the air of factories where formaldehyde is used. WHO says that this will prevent nasal cancer and leukemia. Levels of 1 ppm have been shown to cause nasal cancer and leukemia in humans. The level for hardwood plywood is 0.05 ppm in the US since 2012
  1. The CDC was alarmed about this problem with the Chinese laminate imports of Lumber Liquidators and did its own investigation. The conclusion was that these high concentrations of formaldehyde were not only affecting sensitive people, but in fact everybody. The CDC stated: “The lifetime cancer risk increased from the previous estimate of 2 to 9 extra cases for every 100,000 people to between 6 and 30 extra cases per 100,000 people. To put these numbers into perspective, the American Cancer Society estimates that up to 50,000 of every 100,000 people may develop cancer from all causes over their lifetimes.” New guidelines for the limit of formaldehyde in residences were defined as 135 µg/m³ by the National Center for Environmental Health. This is a different nomenclature for formaldehyde concentration in the air and I will show the conversion to parts per million particles in a moment. This reference explains that 1 ppm = 1.23 mg/m³. 135 µg/m³ is the same as 0.135 mg/m³. When you divide 0.135 mg/m³ by 1.23 mg/m³, you have converted this into 0.11 ppm, the upper acceptable formaldehyde limit. You can see from the recommendation above that if the company followed the proper procedure, the level of 0.05 ppm will be in the safe zone as it is smaller than 0.11 ppm. The cheap batch of plywood discussed above with the high formaldehyde glue gave measurements much higher than any of these guidelines.

Company response to bad publicity regarding “the hazards of formaldehyde”

As the stock of Lumber Liquidators plunged, the company decided to do something about this. In May of 2015 all the cheap laminate products were no longer sold. It turned out that they had been poor quality, cheaper laminate boards; the producer had used glue with too much formaldehyde in it. The company had knowingly bought these for a 10% discount and hoped to make a huge profit through its over 360 stores in 46 states. Before this fiasco revenue was more than a billion dollars a year. Now the company tries to rescue its brand name through an ongoing painstaking public relations effort.

What to do, if you own cheap laminate flooring with the hazards of formaldehyde?

The CDC says you should ventilate the home, use additional vents to remove bad air, keep the temperature at the lowest comfortable setting and make your home a smoke-free home.

Many homeowners have ripped out the cheap laminate flooring and replaced it with better quality products and joined a class action suit against the company that sold them the product. Others leave it in place, open the windows and doors more frequently to keep the air concentration of formaldehyde lower; and they follow the other suggestions from the CDC.

According to this update formaldehyde levels are decreased significantly 6 to 10 months after initial installation.

The Hazards Of Formaldehyde

The Hazards Of Formaldehyde


Had Lumber Liquidators not been greedy for profit, we may never have known the story of formaldehyde overdosing of glue in one bad batch of laminate flooring. It was supposed to be sold to the unsuspecting consumer as a special deal! Keep in mind that not everything that is cheap is good quality.

Only a few years back it was urea formaldehyde that was supposed to insulate your home. Homeowners soon found out that this could lead to toxic formaldehyde fumes and the urea formaldehyde had to be replaced with glass fiber insulation.

You may not have to panic. Frequent ventilation, as described,can lower the formaldehyde concentration in the air. And eventually in the case of laminate flooring the concentration is low enough from the passage of time that there is no longer a danger from leaking formaldehyde gases.

What I have learnt from this is the following: never sit back and think you are safe. Watch what you are eating. Watch what you are drinking. Women, watch what cosmetics you put on your skin. Be aware of the potential hazards of fire retardant in textiles and noxious substances in building products. All of this can impact the quality of the air you are breathing!


Healing Powers Of Green Tea

Powerful catechins that are a special form of bioflavonoids provide the healing powers of green tea. Research teams have proven that these catechins are only contained in green tea, not so much in black tea. The most effective of several catechins contained in green tea is EGCG, which stands for EpiGalloCatechin-3-Gallate. It crosses the blood/brain barrier and is very important for the protection of the brain from Alzheimer’s disease. But green tea or green tea extract has a diversified pharmacological action. It is said to protect you from cardiovascular disease, from obesity, from diabetes, from autoimmune disorders, from cancer and from Alzheimer’s and dementia.

In the following I like to comment on how green tea or its extract can protect from all of these diseases.

Alzheimer’s disease

Although there are 5 or 6 approved anti-Alzheimer’s drugs, none of them work for very long. They may at best postpone the deteriorating memory for 6 months, but then the effect of the drug wears off. The reason is that the drugs do not stop the production of the deadly beta-amyloid. It is the beta-amyloid that damages nerve cells that you want to preserve so you can think and memorize. In contrast a simple phytochemical, the catechin EGCG has been shown in animal experiments and in human trials to stop beta-amyloid production and increase solubility of beta-amyloid fragments in the brain. The end result is better memory and no further deterioration.

In a study of 13,988 elderly Japanese observed over 3 years the group that consumed 3 to 4 cups of green tea daily had 33% less strokes, cognitive impairment and osteoporosis.

Researchers at the University of Basel, Switzerland enrolled 12 healthy volunteers aged 21 to 28 and fed them extracts of green tea or placebo fluid via feeding tubes. This was done to rule out taste as a factor. Functional MRI scans were applied as the subjects were given memory-stimulating tasks. Only the green tea extract was boosting activity in the frontal brain of the subjects. This was located in a specific area, called dorsolateral prefrontal cortex. This area is known to be involved with language comprehension, reasoning and learning. It also switches short-term memory into long-term memory, called working memory processing.

Studies in animals have shown that nerve cells are protected from the toxic effect of beta-amyloid and at the same time the production of new brain nerve cells (neurons) is triggered by green tea extract. This is really good news for Alzheimer’s disease patients and their families: green tea extract delays further memory deterioration and stimulates the development of new nerve cells in the brain!

Cardiovascular disease

In a 2006 Japanese study 40,530 Japanese adults aged 40 to 79 years without history of stroke, coronary heart disease, or cancer at baseline were observed for 7 years. Diaries were kept about how many cups of green tea each person was drinking per day. The biggest effect was seen with regard to prevention of heart attacks and strokes.

Men had a mortality reduction of 12% for heart attacks when they drank 5 cups or more of green tea; in women the corresponding mortality reduction for heart attack was 31%, a bigger effect. Overall mortality from strokes was lower than from heart attacks making the effect of green tea consumption even more beneficial with respect to stroke prevention. In this study no cancer preventing effect was observed for green tea.


It appears that green tea increases heat production and burns fat in the process. There was a small effect in terms of weight loss and a beneficial effect increasing the protective HDL cholesterol in this 2012 Polish study on obese patients. The authors compared either 379 mg of green tea extract, or a placebo, daily for 3 months. They concluded: “The results of this study confirm the beneficial effects of green tea extract supplementation on body mass index, lipid profile, and total antioxidant status in patients with obesity.”


Although there are claims in some studies that green tea would prevent diabetes, this question was thoroughly investigated in this Chinese 2014 study.

No effects were noted on fasting blood sugars or on hemoglobin A1C values, a very sensitive indicator for the presence or absence of diabetes. All these lab tests were unchanged following consumption of green tea or green tea extract. Forget using green tea for diabetes prevention; cut out sugar and starchy foods instead.

Autoimmune disorders

Sjogren’s syndrome and lupus are both autoimmune diseases. Green tea extract has shown in humans that symptom severity can improve; green tea polyphenols (GTPs) possess anti-inflammatory properties that benefit patients with autoimmune diseases.

In an animal model arthritis researchers determined that T helper cells are weakened and bone resorption is inhibited by EGCG from green tea extract.

Researchers at Harvard Medical School, Boston, MA have noted that green tea extract is useful in calming down the immune response in autoimmune diseases. They concluded: “Altogether, these studies identify and support the use of EGCG as a potential therapeutic agent in preventing and ameliorating T cell-mediated autoimmune diseases.”


Many research papers have found that EGCG from green tea extract has immune modulatory effects that are useful in combination with chemotherapy. A combination of cisplatin therapy with green tea extract has been found to have more effects on colorectal cancer and ovarian cancer than each one on its own. Similarly chemotherapy of breast cancer had better results in humans when EGCG from green tea extract was added as an immune modulation. More research, particularly in humans is needed to fully understand the mechanism of action of EGCG.

Toxicity of green tea extract

Animal experiments showed that higher doses of green tea extract could cause toxicity in the liver and in the nose of rats and mice. I was not able to find objective evidence for green tea toxicity in the PubMed system with respect to humans.

Healing Powers Of Green Tea

Healing Powers Of Green Tea


Perhaps the most important discovery regarding green tea extract is that it crosses easily through the blood/brain barrier into the brain. This can postpone Alzheimer’s disease and can even lead to new neuron formation. The beneficial cardiovascular effects are also useful and combine well with exercise and good nutrition for prevention. Particularly stroke prevention is a useful property of EGCG from green tea extract. The effect on obesity is marginal whereas there was no effect of green tea on prevention of diabetes. The immune modulatory effect of green tea extract is useful in the treatment of autoimmune diseases and of cancer. Existing treatments for these conditions are becoming more effective by adding green tea extract.


Sleeping Habits

When you are a child or a youngster sleeping habits are rarely a problem. But as people age, they tend to have problems falling asleep and sleeping through the night. Older people may also have certain hormone deficiencies, which can contribute to a change in sleeping habits.

Some basics regarding sleeping habits

There are a couple of facts that everybody should know about sleep, so you work with nature, not against it.

  1. The way our bodies are hardwired, we need 7 to 8 hours of sleep and we need to fall asleep between 10PM and 11PM.
  2. The reason for the relative rigid sleeping schedule time wise is the diurnal hormone rhythm. This is also known as the circadian clock that is dictated by the light of the sun (24 hour cycle). Light going into our eyes in the morning inactivates melatonin. But in the evening the pineal gland releases melatonin after sunset. This is what keeps the internal clock on time. We all know how we derail when we fly east or west. There are differences. I find that I am more affected when I fly west than east. The readjustment for me often takes one or two weeks for a 9-hour time zone difference.
  3. Melatonin is gradually produced less as we age. The highest melatonin production occurs around 10 years of age. From then on melatonin production declines. This likely is the reason why older people more often have insomnia problems.
  4. There is interplay between melatonin and cortisol. These two hormones complement each other. When you sleep melatonin governs and resets the hormones to be ready in the morning. This involves an early testosterone peak for the male and cortisol, which has to be ready the moment you wake up. It is cortisol coming from the adrenal glands that rules during the day and is giving us energy. Thyroid hormones also give you energy during the day. As I will explain below, human growth hormone is an energy-giving hormone as well that also clears your mind.
  5. What is not as much known is that human growth hormone (GH) provides energy for us. Growth hormone is released as a spurt between midnight and 3 AM, when you’re deep asleep. The purpose of that is to get you ready with regard to energy for the next day. If you drink alcohol after 5PM the afternoon before, you will miss most of that GH spurt during the night and have a hangover (lack of energy the following day).  At the 23 rd Annual World Congress on Anti-Aging Medicine on Dec. 13, 2015 in Las Vegas the endocrinologist, Dr. Thierry Hertoghe from Belgium gave a talk about GH and said that even one drink during the evening before you go to sleep will cancel 75% of the GH spurt causing a lack of energy the following day. When you have alcoholic drinks evening after evening as many people do, you interfere with your deepest sleep, creating a fitful sleep and you can develop GH deficiency, which can be measured with blood and urine tests. GH deficiency leads to premature signs of aging, such as wrinkles, musculoskeletal problems, muscle weakness and dementia. Many people in their 80’s look “old”. In fact they may be growth hormone deficient and could be treated with human GH, if GH deficiency were confirmed by tests. Part of the aged appearance is reversible in cases of growth hormone deficiency by treating with daily GH injections.
  6. As we age, we produce less melatonin and less growth hormone. All of these hormone levels can be determined. If they are low, they should be replaced with small amounts of whatever hormone is missing.
  7. There are other hormones that are important for energy: cortisol from the adrenal glands, thyroid hormones and DHEA from the adrenal glands. When people get older there is a problem with melatonin production and an evening dose of melatonin supplement of 3mg is advisable. People beyond the age of menopause (females) and andropause (males) need bioidentical sex hormone replacement. Once they have sufficient hormone levels, they will also have more energy. It is advisable to get all of these hormones tested using a saliva hormone test. Growth hormone is a bit more difficult to assess, but IGF-1 levels give a first indication what your growth hormone levels are doing. The newest test is a 24-hour urine collection or an overnight urine sample looking for growth hormone metabolites. If levels are found to be low, daily replacement of growth hormone using a pen similar to insulin injections in diabetics can be given, using pure human growth hormone. You would need to seek the advice of a knowledgeable naturopath.

What does insomnia do to you?

From a psychological point of view performance is slower, there is a slower reaction time and there is a risk of developing anxiety or depression. The immune system gets weakened, high blood pressure can develop and there is a risk of developing heart disease, diabetes and cancer. It is common to gain weight becoming overweight or obese. Even your telomeres, the caps of chromosomes in every cell get shortened from too much stress and too little sleep. Shortened telomeres mean a shortened life span.

How to improve sleeping habits

Set your alarm clock for 8 hours later when you go to sleep. Make sure your bedroom is dark, but wake up to the alarm clock after 7 to 8 hours of sleep. Don’t sleep longer than 8 hours per night. Your internal diurnal hormone rhythm will thank you for regulating your sleep/wake rhythm by giving you the energy you want. I enjoy mine.

Sleeping habits include problems falling asleep or sleeping through

Falling asleep: As we mostly have a lack of melatonin, the first step is to take 3mg to 5mg of melatonin at bedtime. But it should be taken during the window of opportunity fitting into the diurnal hormone rhythm as mentioned above: between 10PM and 11PM. It takes 20 to 30 minutes for melatonin to take effect. If you do not fall asleep within that time frame, you are likely thinking too much. If that were the case, I would recommend taking 1 or 2 capsules of valerian (500 mg strength) from the health food store. This combined with melatonin should help in more than 80%-90% of insomnia cases.

Not sleeping through: Some of you, particularly if you are elderly, may wake up at 3 or 4 AM and have a hard time falling asleep again. At that time it would be safe to take another 3mg of melatonin and if this does not work within 20 minutes add another 500mg valerian capsule.

If you continue to have insomnia problems, see your physician. You may need sleep studies done or you may have problems with your thyroid gland (hypo- or hyperthyroidism), which needs to be checked. Other medical problems including depression have to be checked out as well. Melatonin and valerian are safe. Other sleeping pills have multiple side effects including memory problems.

Part of good sleeping habits is to provide a quiet, comfortable bedroom

The following points are good checklist for a comfortable sleep environment (Ref.1).

  • Ensure your bedroom is dark, soundproof, and comfortable with the room temperature being not too warm, and you develop a “sleep hygiene”. This means you get to sleep around the same time each night, have some down time 1 hour or so before going to bed and get up after your average time of sleep (for most people between 7 to 9 hours). Do not sleep in, but use an alarm clock to help you get into your sleep routine.
  • Avoid caffeine drinks, alcohol, nicotine and recreational drugs. If you must smoke, don’t smoke later than 7PM.
  • Get into a regular exercise program, either at home or at a gym.
  • Avoid a heavy meal late at night. A light snack including some warm milk would be OK.
  • Do not use your bedroom as an office, reading place or media center. This would condition you to be awake.  Reserve your bedroom use only for intimacy and sleeping.
  • If you wake up at night and you are wide awake, leave the bedroom and sit in the living room doing something until you feel tired and then return to bed.
  • A self-hypnosis recording is a useful adjunct to a sleep routine. Listen to it when you go to bed to give you something to focus on (low volume) and you will find it easier to stop thinking.
Sleeping Habits

Sleeping Habits


We need to be aware how important a proper hormone balance is when it comes to a healthy sleep pattern. Thyroid hormones and sex hormones are easy to measure. Bioidentical hormone replacement is needed, if one of the hormones is low. GH needs to be checked by an IGF-1 level and/or metabolites of GH in a 24-hour urine sample as explained above. Melatonin deficiency in older age is replaced the way I summarized above. With these measures sleeping habits improve, and you will get your 7 to 8 hours of restoring sleep. Forget the notion of the past that older people would not need as much sleep. Especially for an aging individual it is important to have a good night’s sleep in order to feel well and energized every day.


Ref.1: Jean Gray, editor: “Therapeutic choices”, 5th edition, Chapter 8 by Jonathan A.E. Fleming, MB, FRCPC: Insomnia, © 2008, Canadian Pharmacists Association.


Treating Lack Of Sexual Arousal

A few years back lack of sexual arousal was not discussed that much. But since Viagra has been such a success in males, the search was on for a similar drug for females who have a lack of sexual arousal. The new drug, the “Viagra equivalent for women” is flibanserin under the trade name Addyi.

The news about this new drug has been noted in the media.

How flibanserin works

How does flibanserin work? It stimulates 5-HT1A receptors in the frontal brain to produce more serotonin and dopamine. Due to these substances a premenopausal woman with a lack of desire for sex becomes more arousable. It may sound reasonable at first, but when you look at the many other effects that a stimulation of 5-HT1A receptors can produce, I find it surprising that the FDA gave approval to this drug.

Flibanserin can cause opening up of skin veins leading to hypothermia and fainting due to a lowering of blood pressure. It has some pain relieving properties. Flibanserin can also interfere with learning and inhibit some aspects of memory. Some positives are decrease in aggression, increase in sociability and decreased impulsivity.

Here are a few points that need to be discussed regarding this new drug.

Treating a symptom rather than the cause

Premenopausal women have a lack of progesterone, as their ovaries do not ovulate as regularly as they did in the past. When the last ovulation has occurred, the woman’s periods stop for good. She is said to have entered menopause. There is a profound lowering of estrogen and progesterone levels, which also leads to a lowering of the testosterone blood level. In women the percentage of testosterone is minute compared to men, but testosterone is essential for normal libido. About 5 years before a woman gets into menopause testosterone levels and progesterone levels may already be getting reduced. It is this low testosterone level, which is the cause of the lack of sexual arousal. So, why are we suddenly treating these symptoms with a poorly understood drug? Why are we not treating the cause? The causes for a lack of sexual arousal are premenopausal hormone changes: mostly lowered progesterone and including lowered testosterone levels as well.

Alternative treatment of lack of sexual arousal

Dr. Lee has written several books that became famous. He treated hormone deficiencies in people with replacement of bioidentical hormones, which resulted in feeling renewed energy and losing the symptoms for which the patients were seen. With regard to premenopausal symptoms Dr. Lee wrote the following in one of his books.

It is interesting that these premenopausal women were all helped with progesterone cream, and their sexual arousal returned as well as a tiny amount of bioidentical progesterone is metabolized into testosterone, which is known to increase libido in women.

It is clear that Dr. Lee would have done what any anti-aging physician today would do: measure hormone levels and add back the hormones that are missing. In the case of premenopausal women it is mostly progesterone that is missing.

What is better: using a chemical or using a natural hormone?

We need to come to terms with the question: is a chemical like Viagra better for a male to get an erection or natural testosterone?

Viagra and others of that type are drugs that are a foreign substance to the body. There are a significant number of side effects with this medication such as headaches and clotting problems that limit the use for certain patients. Bioidentical testosterone replacement therapy, which can stimulate libido significantly, can often eliminate the need for Viagra type drugs. In the past, with the use of synthetic testosterone, hepatic toxicity and with long-term use the risk of liver cancer existed. Dr. Morgentaler has shown that prostate cancer is not a risk with long-term use of bioidentical testosterone. Also, with synthetic testosterone blood could get thickened (secondary polycythemia), which could cause a stroke. Patients on synthetic testosterone need to be monitored for these side effects accordingly, but not on bioidentical testosterone.

If a male with erectile dysfunction is found to have a low testosterone blood level, this is the cause of erectile dysfunction and therefore treatment consists of bioidentical testosterone replacement therapy, NOT a drug like Viagra. Testosterone is well tolerated with no side effects. Instead the man experiences a profound feeling of wellbeing.

The same reasoning is true for a premenopausal woman with a lack of sexual arousal. If she is deficient in progesterone hormone, she needs bioidentical progesterone cream, not a new drug called flibanserin with a myriad of side effects.

Evidence of efficiency of flibanserin in treating sexual arousal

Evidence based medicine scrutinizes research papers to calculate the numbers of patients to be treated before there is one positive therapeutic effect. A good medical treatment is one where there are only 50 or less patients needed to treat before one therapeutic success occurs.

The observation from the studies on flibanserin was that satisfying sexual events rose from 2.8 to 4.5 times a month. However, women receiving placebo reported also an increase of satisfying sexual events from 2.7 to 3.7 times a month. There was only a difference of 0.8 times per month that a satisfying sexual event occurred compared to the placebo! If the average American couple has sex 2 to 3 times per week (2.5 times per week), this translates to 10 times per month. We just heard that 0.8 times of these 10 times per months a satisfying sexual event occurred on flibanserin. Flibanserin is taken as one tablet at bedtime.

Compared to the placebo group, it would take 12.5 episodes of sex to generate one event of success (satisfying sexual event), which can be attributed to taking flibanserin daily. The NNT (number needed to treat) is 12.5. However, if the number of days of taking tablets is used, it would take 37.5 days of taking flibanserin to create one satisfying sexual event, so the NNT=37.5. Nevertheless, both numbers would still be acceptable as a moderately effective medicine, as they are below 50.

But I think that we have to be much more cautious in this case as the side effects are considerable and an alternative with no side effects and much more effect exists (bioidentical progesterone replacement).

Consumer education needed

Should the patient trust a physician’s prescription? Should the patient put up with side effects like nausea, tiredness, and difficulty falling asleep or staying asleep, a dry mouth, constipation or excessive sleepiness? Should the patient insist to be educated about bioidentical hormone replacement therapy?

From an evidence-based medicine view bioidentical hormone replacement with a number needed to treat (NNT) of 2 to 5 has a much higher efficiency than flibanserin. In other words, many women would experience the satisfying sexual event a lot more commonly, namely after having had sex 2 to 5 times instead of 12.5 times. This is what you expect when a similar hormone environment is provided like in the time when the woman was younger. It is the responsibility of the physician to explain to the premenopausal woman that bioidentical progesterone replacement is a much safer treatment option with no side-effects as progesterone as a hormone from the ovaries has been part of the woman’s  menstrual cycle all along. It is also important for the woman to educate herself about bioidentical hormone replacement and ask questions. Some physicians are of the old conservative school and may refuse this type of approach. In this case it is time to seek out a naturopathic physician.

Treating Lack Of Sexual Arousal

Treating Lack Of Sexual Arousal


Nobody would suggest to treat depression associated with hypothyroidism with antidepressants. Instead the physician treats hypothyroidism with thyroid hormones and the depression disappears.

Similarly, lack of arousal, a symptom associated with premenopausal syndrome is due to progesterone deficiency and should be treated with bioidentical progesterone cream. It does not make sense to treat symptomatically with flibanserin and risk all of the side effects mentioned. It makes more sense to treat the cause (low progesterone) rather than the symptoms. See a naturopath or a physician who understands natural hormone therapy to get the best results.


Women Win Turning Older

Supercentenarians may teach us something about the question “Why do women win turning older”? Supercentenarians are people who are 110 years or older. Presently there are 53 of them distributed over the world, 51 are females and two are males. According to Ben Dulken and Anne Brunet this is not by chance: in other mammal species females often live longer than their male counterparts. They theorize that stem cells live longer under the influence of estrogen and this may be the explanation for the difference. They wanted to answer the burning question: “Is life expectancy linked to gender and stem cells”?

Observations regarding why women win turning older

Ben Dulken and Anne Brunet describe that several pieces of evidence are important to note.

  1. Castrated males, called eunuchs, live on average 14 years longer than the average male.
  2. Experiments with male mice treated with estrogen increased their lifespan compared to untreated male controls.
  3. Neural stem cells (NSCs) and hematopoietic stem cells (HSCs) have estrogen receptors in females. This leads to extra stimuli during pregnancy, but also during the menstrual cycle in women or the estrus cycle in female mammals.
  4. It gets more complicated: There are non-estrogen regulated stem cell niches in the liver, skin and subcutaneous tissue (important for wound healing and resident muscle stem cells, called satellite cells (SCs). For some reason liver regeneration and wound healing, but also healing of muscle injuries in women and female mammals occurs at a faster pace. Scientists still do not have an answer for this. Theories are that perhaps women with their two X-chromosomes are at an advantage compared to males (only one X-chromosome) with respect to certain wound repair mechanisms.
  5. There is the question whether longevity and self-repair capacity would be related, either through stem cell populations (NSCs, HSCs, SCs), other repair mechanisms or tissue proliferation.
  6. There are gender differences in aging patterns of stem cells. For instance studies in dizygotic twins showed that telomere length of blood cells in the female twin was much longer than in the male twin. This is thought to be due to genetic factors other than hormones, but again favoring the female.
  7. A study in males showed that there is an accumulation of damaged DNA in SC’s of muscle tissue with older age that leads to muscle senescence. In older men there is a delayed response to a specific exercise stimulus with regard to the satellite cell division (SC) when compared to the response in young men.
  8. In females estrogen stimulates telomere growth of stem cells (NSCs and HSCs), which prevents premature stem cell exhaustion.

Effects of diet and exercise on life expectancy

The Potsdam study analyzed 4 healthy behaviors in 23,153 German participants aged 35 to 65 years over 7.8 years. They looked for the development of cancer, heart attacks, strokes and cancer as end points. The 4 healthy behaviors were: to be a lifelong non-smoker , having a body mass index lower than 30, performing 3.5 h/week or more of physical activity, and adhering to healthy dietary principles (high intake of fruits, vegetables, whole-grain bread and low meat consumption).

Those who had adopted all 4 healthy lifestyles reduced the development of serious disease by up to 80%. Dr. David Katz delivered a keynote address at the 22nd Annual World Congress on Anti-Aging Medicine in Las Vegas Dec. 10-14, 2014 entitled “Integrative Medicine: A Bridge Over Healthcare’s Troubled Waters”. He mentioned the Potsdam study. And he mentioned what the new logic of a healthy lifestyle is: a healthy lifestyle causes healthy telomeres of somatic cells and of stem cells; this causes health until a ripe old age.

Life Expectancy Linked To Gender And Stem Cells

Life Expectancy Linked To Gender And Stem Cells

Conclusion why women win turning older

It seems that women and female mammals are more protected by nature than males. The previously called ”weak sex” is in fact a lot stronger! This may be the reason that among supercentenarians there are only a few males remaining. But we don’t know how many males take the lifestyle factors of the Potsdam study serious. Males who want to age gracefully have to pay more attention to healthy lifestyles. This leads to longer telomeres and this allows for stem cell and somatic cell renewal. There are still many unanswered questions, but life expectancy is definitely related to how well we preserve stem cells throughout our body. This in turn depends very much on our lifestyle patterns.