Lifetime use of nonsteroidal antiinflammatory drugs and breast cancer risk: Results from a prospective study of women with a sister with breast cancer

Nonsteroidal anti-inflammatory drugs (NSAIDs) have been shown to inhibit several pathways in experimental models of breast carcinogenesis, but epidemiological evidence remains insufficient to support their use for breast cancer prevention. We examined the association between use of NSAIDs and breast cancer risk in a prospective cohort.