Ball-and-stick model of the aspirin molecule, as found in the solid state. Single-crystal X-ray diffraction data from Kim, Y.; Machida, K.; Taga, T.; Osaki, K. (). "Structure Redetermination and Packing Analysis of Aspirin Crystal". Chem. Pharm. Bull. 33 (7) : 2641-2647. ISSN 1347-5223. (Photo credit: Wikipedia ) BRUSSELS - There is additional evidence that aspirin can prevent cancer, and can help treat. A regular small dose of aspirin is today prescribed to heart problems. Soon cancer? Previous research has found evidence that prolonged aspirin intake, about ten years every day reduces the risk of cancer. New studies reinforce that suspicion now. And the beneficial effect appears to act quickly: after three to five years. Moreover, aspirin appears to the emergence of metastases of cancers already present to slow down. This is contained in a series of three articles published yesterday in the medical journal The Lancet . The three studies are meta-analyzes "in which