insert_link Health & Wellness Study links permanent hair dye to increased risk of breast cancer A new study from the National Institutes of Health finds that women who use permanent hair dye and chemical hair straighteners are at a higher risk of developing breast cancer — and the risk is particularly high for black women. The study, published on Dec. 4 in the International Journal of Cancer, looked at hair product use over a 12-month period in more than 46,000 women ages 35-74 — all of whom have a sister diagnosed with breast cancer. […] todayDecember 10, 2019