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Moles
Causes & Prevention
Submitted by Steve Ross on Tue, 01/30/2007 - 11:38pm.
No one knows why moles develop or what purpose they serve, if any. However, we do know how they develop.
Melanin, a natural pigment resulting in skin color, is produced in cells called melanocytes, and then transported to the surface cells of the skin. Normally, melanin is distributed evenly, but sometimes melanocytes grow together in a cluster, giving rise to moles.
Submitted by Steve Ross on Mon, 07/30/2007 - 6:06pm.
Editor's Note:
"Race" is sometimes mentioned as a risk factor in the development of certain cancers and a number of other diseases. When you read this in a discussion about an illness, note that the explanation seldom refers to anything biological. Instead, it usually refers to behavior, such as eating habits. The kinds of behavior usually mentioned as risk factors are culturally determined. They are not genetic or biological.
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