Researchers in Australia have isolated the gene that causes baldness, optimistically declaring that in 10 years they will be able to synthesize medicines that can in effect "cure" baldness,

Well we know that it can go both ways, because you've only got to look at the chin of a 10-year-old boy and you can see how hair can be induced to grow on the beard from nothing. And so what we're seeing in baldness is in some ways the reverse of that, where the hair that was there miniaturises and no longer grows, and so we know that there must be ways to turn this on, turn this off, to modulate the hair growth. And when you can do that, then you'll be able to treat and reverse baldness.

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