Secret: women of the future look like

Pretense of the modern woman to Gugan Mei, a woman what happens next? Some biologists believe that advanced medical technology and social welfare measures to make human beings do not have to fight for survival, natural selection no longer works in people, and human evolution occurred stagnation. U.S. evolutionary biologist is a proof of human evolution is still slow, the future women will put on weight and shorter, more healthy.

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Genetic characteristics

Yale University evolutionary biologist Stephen Stearns study found that weight, height and other genetic characteristics of women having children is still the number and impact the health of these children. From the evolutionary point of view, the more have children, will benefit the genetic qualities of human existence to the next generation the higher the likelihood.

Stearns concluded, Massachusetts-based Framingham Heart Study data. The 60-year study began in 1948, recorded about 1.4 million people in Framingham, the medical records.

Stearns led the study, researchers analyzed 2,238 postmenopausal women in which the medical records, and measured with a body mass, height, blood pressure, cholesterol levels and other physical characteristics, analysis of their relationship with the number of births.

Future Women

Considering the level of education, income, health status and other factors, researchers found that the number of genetic characteristics and is closely related to having children.

With those tall thin, tall women tall compared to partial short, fat women having children a little more. In addition, low blood pressure, cholesterol level is low, early childbearing, late menopause, women are also relatively large size of their families.

These favorable characteristics of human reproduction will be transmitted to daughters, the daughters having more children.

According to the researchers calculated that the power of natural selection to conclude: If the generation of genetic 10, 2409 the average height of women 2 cm shorter than the women at this stage, the average weight of 1 kg of fat. At that time, women having their first child earlier time than the average woman is now 5 months post-menopausal women than it is now time was 10 months later.



Still evolving

British "Daily Mail" 21, quoted the words of Stearns reports, the data message is the "human being evolution, natural selection rules still play a role."

The researchers pointed out that although the slow process of human change, but in fact predict the rate of change obtained with other species in nature is no different.

Stearns said: "The place of women in the Framingham area who observed the evolution of the incidence as in other plants and animals as the average speed of evolution."

He also said that evolution occurred in humans as fast as observed in other low speed of biological evolution, "It means, from the evolution rate, there is no special human beings, they are only at the average level."

The results were published in the United States, "National Academy of Sciences."