The Sister Study

The Sister Study is the only long-term study of women aged 35 to 74 whose sister had breast cancer. It is a national study to learn how environment and genes affect the chances of getting breast cancer. In the next 3 years, 50,000 women whose sister had breast cancer, and who do not have breast cancer themselves will be asked to join the study. ....

Please follow the link to find out more about The Sister Study.