Why do hairs on the back and sides remain? - BaldTruthTalk.com
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  1. #1
    Senior Member Breaking Bald's Avatar
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    Default Why do hairs on the back and sides remain?

    So I am sure that this has been answered before. But I still don't understand why does the hair at the sides and back remain during mpb??

    I mean it can't be the scalp right, because transplanted hairs stay there? So is it just something to do with the folicles?

    I have been reading about mpb for months now but still don't really understand it properly.

    Cheers

  2. #2
    Senior Member 2020's Avatar
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    because those follicles are the most sensitive to DHT. Safe zones thin too and maybe if you lived to be 200 years old then by that time those zones would be bald too.

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    Quote Originally Posted by 2020 View Post
    because those follicles are the most sensitive to DHT. Safe zones thin too and maybe if you lived to be 200 years old then by that time those zones would be bald too.
    But why is it that those areas are the most sensitive and go first? Or is this unknown? You see men in there 90's still with hair on the sides and back, how come the top goes so quickly for some but the sides remain until death?

    Seems so odd.

  4. #4
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    I've thought about that too. Initial reaction is to think there was some sort of evolutionary benefit. Some suggest balding is a sign of boosted testosterone, so maybe that had a selection effect, manlier men = bald men. Maybe having a bald scalp in a part of the world with harsh winters was beneficial because it provided increased opportunity for sun to skin surface for vit-D absorption.

    Haha. Obviously, I'm just speculating; I have given this some thought though.

  5. #5
    Senior Member gmonasco's Avatar
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    Quote Originally Posted by Breaking Bald View Post
    But why is it that those areas are the most sensitive and go first? Or is this unknown?
    Why men bald, and why they typically do so in a predictable pattern, is unknown.

    The pattern to MPB is somewhat of a blessing in that it makes it easier for balding men to wear hairpieces. Imagine how difficult it would be to fashion a realistic hairpiece if men lost hair from the sides and back of their heads instead of from the top.

  6. #6
    Senior Member 2020's Avatar
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    Quote Originally Posted by gmonasco View Post
    Why men bald, and why they typically do so in a predictable pattern, is unknown.
    It's not a mystery. I just explained why it happens so...

  7. #7
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    Quote Originally Posted by 2020 View Post
    It's not a mystery. I just explained why it happens so...
    I'm pretty sure he is asking "why is there more DHT on the top than the sides and back?". Most people on this site know what causes hair loss.

  8. #8
    Senior Member JJacobs152's Avatar
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    It probably is down to the level of the follicles as you suggested. Maybe the binding sites for DHT are different in the back and sides of the hair compared to the scalp and front areas.

  9. #9
    Senior Member gmonasco's Avatar
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    Quote Originally Posted by 2020 View Post
    It's not a mystery. I just explained why it happens so...
    No, you explained what happens, not why it happens.

  10. #10
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    Quote Originally Posted by gmonasco View Post
    No, you explained what happens, not why it happens.
    +1
    I get the whole DHT thing, but it still doesn't really explain why ONLY the follicles at the top of the head fall out. Must be something to do with the follicles specifically.

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