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Human ability to scale the so-called "wall of death"—surviving beyond the reproductive years—has been a center of scientific controversy for more than 50 years, Puleston said. In 1966, William Hamilton, a British evolutionary biologist, worked out the mathematics describing the "wall of death." Since then, the most popular explanation for why humans don’t die by age 55 has been termed the "grandmother hypothesis," which suggests that women enhance the survival of their children and grandchildren by living long enough to care for them and "increasing the success of their genes," Puleston said. Unlike previous research on human reproduction, this study—for the first time—includes data on males, a tweak that allowed the researchers to begin answering the "wall of death" question by matching it to human mortality patterns. Furthermore, life expectancy in today’s industrialized countries is 75 to 85 years, with mortality increasing gradually, not abruptly, following female menopause. There is a massive obsession with the female genitalia, because there is a gigantic and harmful obsession with women's bodies. Meanwhile, there are available big variety of galleries, online webcams.



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