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Sex and Scientific Philosophy – Why Women Live Longer Than Men
It is accepted that women live longer than men. There are many reasons. An attempt is made here to briefly describe some of the findings of the published studies and to suggest new directions for further research.
It is believed that these studies may lead to the discovery of new reasons explaining the difference in life expectancy between women and men. One of these is the area of fetal microchimerism, which is the persistence of some fetal cells in the mother after pregnancy. Another may be found in further studies of the mechanisms involved in improving the mother’s immune system, during and after pregnancy.
Further studies may find that women who give birth live longer than those who do not. In addition, women who live beyond 100 may have a special gene that slows the aging process and reduces the risk of heart disease, stroke, cancer and Alzheimer’s disease.
The X chromosome may be another important factor in a woman’s lifespan. Because women have two X chromosomes, if there is an abnormality in one of them, the normal one can be used instead of the faulty one. In this case, the woman becomes the carrier of the disease rather than the victim.
Serious studies indicate that menopause is the main determinant of life expectancy. Very few species have menstruation apart from women and some whales.
The evolutionary drive to pass on genes and the need to stay alive and bear the largest number of children may be some of the natural forces that allow women to live longer than men.
In the United States and other developed countries, life expectancy for women is about eighty years and for men is about seventy years. In Sweden, however, during the eighteenth century it was about thirty-seven years for women and thirty-four for men.
Women are more likely than men during their first twenty-five years to have four times more testosterone than men. This factor decreases with age, but the gap remains for women. Sex hormones are an obvious factor to consider; Young men are aggressive, increase the level of dangerous cholesterol that leads to heart disease or stroke.
The female hormone estrogen lowers bad cholesterol and raises ‘good’ cholesterol, however. Recent studies have suggested that estrogen therapy after menopause may reduce the risk of death, especially from heart disease or stroke.
Women have a longer heart and better blood vessels, probably because of the hormone estrogen. Even diseases like heart disease, stroke, cancer and diabetes kill more men than women.
The advantage that women have over men, however, does not apply to women who smoke, drink, are overweight or under too much stress, which is typical of women working in fields that have been dominated by men. before. In fact, there is no difference between male and female smokers.
However, there are countries with almost no such gap, such as India and Pakistan, where gender discrimination and practices such as female infanticide and bride burning are prevalent.
Mortality rates may be affected by chromosomal differences between men and women. Both carry genetic mutations that can lead to life-threatening diseases.
Women have two X chromosomes, so if there is an abnormality in one of them, the normal one can be used, making only women carriers of the disease. Men have one X and one Y chromosome, so they cannot use another chromosome if there is a genetic defect. The above-mentioned differences in longevity are found in most animals.
Another fact is that men are more likely than women to engage in dangerous and violent behavior, which increases the death rate for men. More men than women are killed in car accidents, homicides, and even suicides.
Fetal microchimerism is the persistence of some fetal cells in the mother after pregnancy. Many recent studies suggest that it may be the cause of some autoimmune diseases. Long-term viability of fetal cells in healthy women is a contraindication, however. Long-term persistence of fetal cells may have implications for the development of fetal tolerance.
If microchimerism is transferred between the mother and the fetus, further studies may indicate the effect of these fetal cells on strengthening the mother’s immune system during and after pregnancy. We know that cells during pregnancy can migrate between the mother and the fetus in both directions.
As pregnancy progresses, the rate of cell transfer from the fetus to the mother increases. In most cases, fetal cells are compatible with the mother’s immune system, so the mother’s body does not reject them.
It is thought that such women, especially those who live into their nineties or over a hundred, may have a special gene that slows aging and reduces the risk of heart disease, stroke, cancer or other diseases. Alzheimer’s.
Further studies may show that women who give birth live longer than those who do not. Those who give birth to at least one male child may live longer.
Finding Y chromosomes or male DNA in women after pregnancy, even in a woman who gave birth to her last son years before the blood draw, may support this theory.
Basically, stem cells can be regenerated and they can renew themselves permanently. Because they do not have a specific structure, they can develop into specialized cells such as heart muscle, nerves or blood cells.
Bone marrow, peripheral blood, and the umbilical cord of newborns are the sources of blood transfusions. A new technology that has spawned a new business is the collection of cord blood cells from babies, which are stored for future use.
The benefits of cells from the umbilical cord with the presence of cell transfer between the mother and the fetus may be another reason that explains and supports the theory that women who give birth are will live longer than those who do not.
Finally, it should be emphasized that the reasons why women live longer are based on many factors, only some of which have been mentioned above.
The Bible (English version) says (Genesis 16): And He said to the woman: I will greatly increase your suffering and that of your children; you will be born in trouble children; and you desire your husband, and he will rule over you… ‘.
The Hebrew version has:’… you will be born in trouble boys‘.
Although some may say ‘Boys’ or Banim is the generic name for children, people may wonder if the original is really ‘Boys’…
The longevity of women may be part of a grand Darwinian plan that allows mothers to be satisfied with motherhood, and especially women who give birth to at least one male; moms might get another five years for their efforts… and they deserve it…
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