Comments on “Why isn't pubic hair the same colour as hair on your head?” • The Register

Comments on: Why isn't pubic hair the same colour as hair on your head?

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Aeroplane blonde

By Interlude Posted Friday 15th September 2006 12:26 GMT

So there's more than one reason for having a black box?

Why the loss of melanin in "old age"?

By Del Merritt Posted Friday 15th September 2006 14:25 GMT

"The absence of melanin later in life causes white hair. White hair may appear on some parts of the body before others because there is variation in this too."

This begs a question (for one who has had a naturally-progressing white hair since 12yo): Why does the absence of melanin start/increase with age?

If hair is mostly protein...

By Scoot Posted Friday 15th September 2006 18:22 GMT

...then does it have much/any nutritive value? And I'm not talking about that stray pube. Presumably it doesn't, since cats can't digest theirs, but this begs the question why not?