Women have fretted for years that the simple act of wearing a bra, especially an underwire bra, may cause breast cancer. It?s a myth, and a new study proves it, finding no relationship between breast cancer and any aspect of wearing a bra?not cup size, not whether or not it had an underwire, not how old you were when you started wearing one. “It was a well-done study and it was pretty reassuring,” says Kari B. Wisinski, MD, a medical oncologist with the University of Wisconsin Carbone Cancer Center in Madison.
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