Quote:
Originally posted by Jim Cesiro
So the onset of cancer and aids are possibly a evolutiobary process. The fact that typical men lived 100's of years 4000 years ago and now are lucky to reach 100 today is proof we are de-evolving?
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Natural Selection does not care what happens to us after we have reproduced. If there were a disease that killed millions of women after menopause (breast cancer?) there would no way for natural selection to work to eliminate it.
Ancient longevity is anecdotal. In 1770, the average life expectancy was 36 years. It didn't reach age 50 until around 1900. By most estimations, we are living longer and healthier than ever, but this has very little to do with evolution or natural selection. Once you are through replicating your DNA, nature has no use for you!