Hair Dyes Linked to Elevated Breast Cancer Risk

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A new analysis of a 50,000-participant study shows that the use of permanent hair dye or hair straightening chemicals were both associated with a higher risk for breast cancer than 'never use' - and the risks are particularly pronounced among black women.

Medscape recently wrote an article about this study.

"Hair products contain more than 5000 chemicals, including some with mutagenic and endocrine-disrupting properties such as aromatic amines," senior author Alexandra White, PhD, head of the National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina, and colleagues explain.

"Overall, [our] results support the hypothesis that hair dye and straightener use, which are highly prevalent exposures, could play a role in breast carcinogenesis," they conclude.

The study was published online December 3 in the International Journal of Cancer.

Click here to read the full article from Medscape.

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