Jan Coetzee wrote:
>> Has it occurred to anyone that aging may be the consequences of "evolution"
> taking place in the body. For example take hair follicles. Assume that
> every one are born with two kinds of follicles. Normal and gray pigmented.
> With time subtle changes in the bodies chemistry cause the gray pigment
> follicles to dominate. Finally you end up with gray hair. If this is true
> for most cells in the body this idea could explain aging.
>> Jan(John)
While many people have proposed an evolutionary significace to aging
(may be an anti-cancer mechanism, etc.), THAT is not why we get grey
hair (i.e., we are not born with two kinds of hair follicles and one
begins to dominate.)
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-Dawn-
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