Why does some hair get whiter, or greyer than other hair in older people?

Subject: Why does some hair get whiter, or greyer than other hair in older people?

Date: Wed Apr 22 23:07:08 1998
Posted by Heather
Grade level: 10-12
School: Lakeshore Central
City: Angloa State/Province: New York
Country: USA
Area of science: Medicine
ID: 893304428.Me

Message:

There's this one teacher ar my school who has really dark grey hair all over his head, except for two big WHITE stripes of on either side of his head. He wears his hair back in a ponytail, and the stripes are about 1.5 inches wide. I would like to know, what causes the unusual whiteness abou the certain areas of his hair. Thank You.

Re: Why does some hair get whiter, or greyer than other hair in older people?

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