5 Things That Cause Cancer ... and 5 Things That Probably Don’t

Bras

Although there have been several claims that bras, particularly underwire bras, cause breast cancer by obstructing lymph flow, most experts say no substantial scientific or clinical proof backs such claims. Furthermore, a recent study of 1,500 women found no association between wearing a bra and breast cancer risk. While wearing a bra may not cause cancer, researchers are studying whether breast size is a potential risk factor.