Summary
PHILADELPHIA -- Unlike salamanders, humans and other mammals are generally thought to be incapable of true regeneration -- growing a new organ or limb when it has been lost entirely.
But Wednesday, University of Pennsylvania dermatologists announced they had indeed performed this feat of biological renewal, regrowing complex "mini-organs" that are of pressing interest to millions of older men: the follicles that produce hair.See the full content of this document
Extract
Researchers Find a Way to Regrow Hair
The researchers, who published their findings today in the journal Nature, said that by carefully cutting out patches of s...
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