Description: This is the home web page for the Sister Study. It is part of the Sister Study website, the sister study is a national research study for risk factors for breast cancer in women with sisters with cancer.
breast cancer research (10) national institute of environmental health sciences (4) sister study (3) niehs (3)
Your browser does not support JavaScript! For a better website experience, please enable the JavaScript on your browser.
Sisters, starting in October 2023, we are contacting you to complete either your Annual Health Update or your more in-depth Detailed Health Update (asked every three years). Please check your emails or mail to complete your questions. To show our appreciation, when you complete the questions, you will be entered into a $500 gift card drawing. Thank you!
October is breast cancer awareness month and we are celebrating the 20th Anniversary of the NIEHS Sister Study the nations longest and largest study to find environmental and genetic causes of breast cancer. Be sure to see the new Sister Study video and other products.