Researchers believe they know cause of baldness

January 5, 2011 6:29:59 AM PST
Researchers say they think they know what causes male pattern baldness.

A team at the University of Pennsylvania says hair-making stem cells are the root cause. Men who are bald have the same number of hair-making stem cells as a normal scalp. But they have fewer of a more mature type of stem cell.

Now that researchers have identified the problem, they hope to develop a topical cream that can re-activate those cells.

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