Why Men Are Heavier and Taller Than Women

The scientist who also won the Pulitzer Prize for his book Guns, Germs and Steel Jared Diamondin his book The Third Chimpanzee, touches on the reason for this situation.

According to Diamond, a professor of geography at the University of California, who, despite studying physiology, is also interested in various fields such as anthropology, ecology, geography and evolutionary biology. hidden in our social and sexual organization.

The large alpha males set up a harem, causing the males to be larger than the females.

females with one big man was mating. The larger the number of females in the male’s harem, the larger the difference in size between the sexes. Moreover, this situation is seen not only in humans, but also in other species. The larger the harem, the larger the males of that species than the females.

For example, because gibbons are monogamous, there is no size difference between males and females.

Male gorillas are twice as large as female gorillas because there are three to six females in their harem. Average number of females in the harem of the southern elephant seal forty-eight The difference in size is much larger because males are three tons, while females weigh only three hundred kilograms.

Contrary to our ancestors, being large is no longer so decisive in modern society.

Women are nowadays intelligence and personality attaches more importance and monogamy is much more common now. Of course, women still prefer men who are taller and muscular than they are today, but since it is not as intense as in the early days of humanity, this has no serious impact on evolution. If it continues like this from now on, the evolution of humanity is not physical traits. cognitive features will affect.