Description: For years, experts have noted that people who take nonsteroidal anti-inflammatory drugs (NSAIDs) for pain relief also lower their risk for a variety of cancers. Now, scientists believe they know why that happens. New research shows that NSAIDs -- which include aspirin, ibuprofen, Aleve and Celebrex -- boost the level of a cellular molecule that causes malignant cells to die off. The finding "opens up our understanding of how anti-inflammatory drugs are effective against cancer cells.