More evidence daily aspirin linked to lower cancer mortality

A large new observational study finds more evidence of an association between daily aspirin use and modestly lower cancer mortality, but suggests any reduction may be smaller than that observed in a recent analysis. The study, appearing early on-line in the Journal of the National Cancer Institute (JNCI), provides additional support for a potential benefit of daily aspirin use for cancer mortality, but the authors say important questions remain about the size of the potential benefit.