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Old 06-17-2013, 03:26 PM
 
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Menopause Caused by Men?
A new hypothesis holds that women become infertile later in life because males prefer younger mates.
Women of a certain age undergo menopause not as an adaptation to allow older females to focus on helping out with rearing children—a prevailing notion known as the “grandmother theory”—but as an unintended consequence of males preferentially mating with younger females.
http://www.the-scientist.com/?articl...aused-by-Men-/

full article:
Mate Choice and the Origin of Menopause
PLOS Computational Biology: Mate Choice and the Origin of Menopause
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