BBC NEWS | Health | Hair colour loss 'reversal hope'

BBC NEWS | Health | Hair colour loss 'reversal hope': "People whose hair has turned white because of illness or extreme stress are being offered hope that scientists may be able to reverse the process.

Researchers from Manchester University and Lubeck University, in Germany, used a molecule to stimulate the pigment responsible for hair colour.

But they said the technique still had to be tested on humans and would not reverse the natural greying process."