abstract: Effects of regular aspirin on long-term cancer incidence and metastasis: a systematic comparison of evidence from observational studies versus randomised trials : The Lancet Oncology

Blogger's Note: the 'risk' refers to the risk of cancer as opposed to the risk/side effects/adverse events/safety of asprin use.

Effects of regular aspirin on long-term cancer incidence and metastasis: a systematic comparison of evidence from observational studies versus randomised trials : The Lancet Oncology