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Aspirin use not tied to breast cancer risk How frequently older women use aspirin and other pain relievers has nothing to do with their chance of developing breast cancer, a large new study suggests.
Previous research has painted a cloudy picture, with some studies indicating that women who regularly take so-called nonsteroidal anti-inflammatory drugs, or NSAIDs, have a lower risk of breast cancer, but others finding a higher risk with such drugs. It's still possible that specific groups of women will benefit from certain doses of aspirin, other NSAIDs or acetaminophen (marketed as Tylenol), said one researcher not involved in the new study. But right now, there's no good evidence any of those painkillers protect women against breast cancer, according to epidemiologist Lynn Rosenberg from the Boston University School of Public Health. "I don't think they should be taking aspirin to prevent breast cancer," she said. "If women are looking to decrease their risk of breast cancer, there is, I think, some pretty convincing evidence that high levels of exercise will reduce risk (as will) diets that are high in fruits and vegetables." NSAIDs, including naproxen (Aleve) and ibuprofen (Advil, Motrin), may block an enzyme that controls cell proliferation and death, therefore possibly affecting cancer risk. And acetaminophen could lower levels of estrogen, a hormone important to certain forms of breast cancer, researchers said. Studies have found regular use of anti-inflammatories is tied to a lower risk of colon cancer, but it's been unclear whether that is true for other types of cancer as well . http://english.ahram.org.eg/News/51475.aspx
