Permanent' goosebumps, usually present on the back of the arms is referred to by dermatologists as 'follicular hyperkeratosis'. As you suggest, this condition is indeed related to a deficiency of ...

So I think I saw my first spot when I was 17. And I had two dime-sized spots on my arms. And they were on my elbows. So I assumed they were from floor burns from diving for basketballs.

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