Evolution of Menopause
December 30th 2006 04:57
Dustin Penn and Ken Smith studied family size and parental longevity to determine why human females undergo menopause. Most other mammals do not experience menopause. The researchers theorize that the physical toll that pregnancy, childbirth, and nursing takes on the body caused humans to evolve a limit on childbearing years.
Source: Scientific American
Source: Scientific American
| 76 |
| Vote |
subscribe to this blog











