Pain killers and breast cancer, intriguing evidence

Possibly the biggest headline of the year in breast cancer research was the study showing that aspirin might be a an effective treatment. A study indicated that regular use of aspirin could possibly prevent or slowing down metastasis.

Still some doctors were skeptical.  Now new information may explain why aspirin and other pain killers could have a benefit for women with breast cancer.

TUESDAY, March 23 (HealthDay News) -- Postmenopausal women who regularly take aspirin or other painkillers have lower estrogen levels than nonusers, a new study shows, which might explain a decreased risk of breast or ovarian cancer among these women.
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