Q. Is there any truth to the Internet rumor that the incidence of breast cancer is more than 100 times greater in women who always wear bras than in women who never wear bras?

A. “The short answer is no,” Dr. Ted Gansler, director of medical content for the American Cancer Society, replied in an e-mail message.

Image Credit... Victoria Roberts

There is no scientifically credible evidence of this, he said, and the proposed mechanism  that bras prevent elimination of toxins by blocking lymph flow  is not in line with scientific concepts of how breast cancer develops.