Hair dye and cancer risk: Largest study yet

(Medical University of Vienna) Studies have indicated that people who dye their hair regularly may have a higher risk of cancer, especially bladder cancer and breast cancer. Hair dyes contain certain chemicals that have been held responsible for these relationships. In the largest study to date, which followed 117,200 women from the USA over 36 years, this could not be confirmed.
Source: EurekAlert! - Cancer - Category: Cancer & Oncology Source Type: news