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  1. #1
    Primal Ranger's Avatar
    Primal Ranger is offline Member
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    Question Eating Fingernails?

    After biting off some fingernails I always seem to chew on a few and was wondering if this is some primal instinct that's hardwired into us? Is there a nutrional value at all and how could that have applied to us during our evolution?

    Thoughts?

  2. #2
    groquette's Avatar
    groquette is offline Senior Member
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    I'm guessing this is habit more than instinct.

    As far as I know, we don't have any enzymes that are able to break the bonds in keratin, so no nutritional value. I could be wrong (it's been a while since I actually studied this stuff).

  3. #3
    cillakat's Avatar
    cillakat is offline Senior Member
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    Quote Originally Posted by Primal Ranger View Post
    After biting off some fingernails I always seem to chew on a few and was wondering if this is some primal instinct
    probably not. I know that when I'm very busy and very productive, I don't have time to pick at or bite my nails and cuticles so right now they look amazing. lol There's also a magnesium/zinc/potassium peice for me. When I'm not getting enough of those calming minerals, I tend to engage in perseverating sorts of habit/ocd behaviors.



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