4 ms·

I know several people that would have not been able to reach adulthood 100 years ago but have now reproduced and have passed on their diseases to their offsprin

I know several people that would have not been able to reach adulthood 100 years ago but have now reproduced and have passed on their diseases to their offspring. There is no doubt that natural selection in humans is much weaker now then in the past.

elliotec 7y ago
That's not what natural selection means... medical innovations are still natural selection factors. It doesn't stop, we just naturally figure out how to get better at it.