Our long nightmare may be over

No more baldness?  From Time's Healthland.

Stem Cell Discovery Offers Clues for Reversing Baldness
Yale researchers report that signals from stem cells in the fatty layer of the skin may trigger the growth of new hair. The study in mice may lead to better understanding and treatments to reverse baldness in humans.

Researchers know that men with male pattern baldness still have the stem cells that are necessary for hair growth in their follicle roots, but the cells are dormant and can't spur growth. It's also been known that the hair follicle stem cells need signals from within the skin to grow hair. The question is, where do the signals come from?

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