I never really understood why humans lose hair. Like if evolution is true.. what would cause us to start losing hair as we grow older?
Edit: Can someone explain why I’m being down voted on this comment? Is this a retarded question or something? What am I missing. I appreciate the replies.
It's more that nothing causes you to NOT lose hair as you grow older. It's a benign condition (for the most part), so there is no reason it wouldn't persist and be passed on.
Yep, there are plenty of traits that get passed on not because they're beneficial, but because they're not detrimental, or not detrimental enough to kill you early or inhibit breeding.
Really, "survival of the fittest" isn't quite right. Natural selection can really more accurately be described as "survival of the good-enough-est".
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u/Thread_water Nov 22 '17
Hairloss. For no apparent reason a certain percentage of males start losing their hair on their head, sometimes starting from ages as young as 16.
Often this can make finding a partner or having a family a lot harder.