Hormonal contraceptives and hair dyes linked to increased risk of breast cancer

[News]

In her recent doctoral dissertation, researcher Sanna Heikkinen from the University of Helsinki and Finnish Cancer Registry evaluates the contribution of the use of hormonal contraceptives and hair dyes to the spectrum of breast cancer risk factors.

More... (http://www.news-medical.net/news/20170309/Hormonal-contraceptives-and-hair-dyes-linked-to-increased-risk-of-breast-cancer.aspx)