The drugs, Brawley said, make mammography more effective. "There are studies to show these drugs decrease breast density and therefore increase the ability of mammography [to detect cancer]."
"Ultimately a woman needs to make a decision," he said.
Some members of the panel report consultant work, honoraria, stock ownership or research funding from Novartis, Pfizer, Bayer, Champions Biotechnology or AstraZeneca.
To learn more about breast cancer risk, visit the American Cancer Society.
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