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Author Topic: Why does hair change colour with age, eventually going grey?  (Read 1306 times)


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Erin asked the Naked Scientists:
Dear Chris,
I was wondering why and how does hair change colour naturally, particularly grey in old age.

Erin Aged 7.

What do you think?
« Last Edit: 09/05/2010 07:30:02 by _system »


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