Breast Cancer Suspects

What to avoid, from carcinogenic prescriptions to tailpipe fumes.

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Mammograms // © Randy Allbritton/Getty Images

Breast cancer clearly has a genetic component, but "routine environmental exposures and lifestyle may play a major role," according to a recent groundbreaking study by the Silent Spring Institute and Susan G. Komen for the Cure. The study, published in Cancer, a journal of the American Cancer Society, uncovers 216 common chemicals that have been shown to cause breast tumors in animals and reviews medical literature, including some studies that reveal environmental factors to be influential "in the vast majority of cancers."

Click on the arrow above for twelve breast cancer suspects identified by the researchers.

By Francesca Lyman for MSN Health & Fitness