That logic is true to some extent but is not the full story, acc

the book I'm reading.

"it is evident that as populations grow and people live longer,
more people are getting sick from mismatch diseases that used
to be uncommon or nonexistent and that are not necessarily or
entirely the inevitable by-products of progress."

A key evidence is that hunter-gatherers who got to live to old ages seldom died of these diseases.

所有跟帖： 

• 大意是说过去的老人（比现在少很多，无论按总数还是比例）很少死于这些“现代病”的。 -7grizzly- ♀ (120 bytes) () 12/10/2014 postreply 17:45:59

• 这本身就是基因特别好的老人，才活了那么久。 -陌上花开缓缓行- ♀ (313 bytes) () 12/10/2014 postreply 17:53:26

• The same goes for even today's hunter-gatherers. -7grizzly- ♀ (0 bytes) () 12/10/2014 postreply 19:45:31