Exposure to industrial chemicals and radiation has contributed more than previously thought to the rising incidence of breast cancer, according to a new report. State of the Evidence 2004: What is the connection between the environment and breast cancer, released by two US advocacy groups on breast cancer, says fewer than one in 10 cases of breast cancer occurs in women born with a genetic predisposition for the disease. The report amasses new evidence from 21 research studies published since February 2003, adding to existing evidence linking toxins in the environment to breast cancer.

Breast Cancer Fund State of the Evidence webpages. Risks 178.