I’m in my late 30s, and I feel like my nose hair has gotten longer and my ears have started having random hairs growing. Maybe they’ve always been there but I feel like I would have been aware of them earlier. I’m fortunate that I still have a full head of hair, but obviously some individuals bald as they get older. Why the different trends?
In: 25
Mostly it comes down to genetics being messy and no gene having a specific role. Genetics is literally just a bunch of goo randomly changing and whatever happens to work fairly well stays around.
As a result of this, there are many cases where one gene will control an important factor like the amount of energy being pumped into reproduction, but it will also control other relatively unrelated things like the amount of hair grown in your nose.
So as you get older and you are no longer pumping as much of your energy into trying to make babies, you also happened to go through other changes that are not directly related to making babies. Like developing thick bushes of nose hair.
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