Hair Dye Points to Cancer

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Non?Hodgkins lymphoma (NHL) is more prevalent among women who began using hair dye prior to 1980, according to Yale researchers. Their study, reported recently in the American Journal of Epidemiology, found that women who used darker, permanent hair-coloring products for >25 years had the greatest risk. The researchers, however, did not find an increased risk of NHL among women who started using hair-coloring products in 1980 or later.