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Study: Aspirin Cuts Breast Cancer Risk

A new study shows that women who regularly take aspirin may be less likely to get breast cancer. The findings confirm previous research, but goes further by pinpointing why this common painkiller -- but not other painkillers -- has a beneficial effect. The study's results are in the latest Journal of the American Medical Association. NPR's Joe Palca reports.

Copyright 2004 NPR

Joe Palca is a science correspondent for NPR. Since joining NPR in 1992, Palca has covered a range of science topics — everything from biomedical research to astronomy. He is currently focused on the eponymous series, "Joe's Big Idea." Stories in the series explore the minds and motivations of scientists and inventors. Palca is also the founder of NPR Scicommers – A science communication collective.