Issue Date: March 9, 2009
Got Gray Hair? Blame Natural Bleaching
It took a high-tech combination of Fourier transform Raman spectroscopy, computer simulations, and enzyme kinetics, but researchers have proven a long-standing presumption about why people's hair turns gray (FASEB J., DOI: 10.1096/fj.08-125435). The root of the problem, according to Karin U. Schallreuter of the University of Bradford, in England, and colleagues, is an excess of endogenous hydrogen peroxide. The researchers detected high levels of H2O2 in gray and white hair but found none . . .
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