TED Conversations

Peter Law

TEDCRED 50+

This conversation is closed. Start a new conversation
or join one »

Why doesn't natural selection eradicate disease ?

Let's take a disease; eg. TB. Those who have it die younger, & are less successful at reproducing. Given time shouldn't TB be eradicated by natural selection? Ditto for all disease. Why is this not happening ?

+1
Share:

Showing single comment thread. View the full conversation.

  • thumb
    Dec 18 2012: To me, The Food Chain is a very big design flaw. Creatures should not have to eat creatures. There are so many genetic permutations for virus and bacteria, that humanity will need a lot less malls and a lot more labs.

    Thank you for the question:)

Showing single comment thread. View the full conversation.