Scientists have been trying for some time to validate a clinical observation that some people with certain types of tumors, such as breast, bowel, and prostate cancers, who take low-dose aspirin every day have a lower risk of cancer metastasis. In fact, several clinical trials are underway to understand this effect. But can a drug designed to reduce pain, inflammation, and fever really prevent the spread of cancer? Until now, the exact mechanism by which this common medicine in the medicine cabinet can stimulate the immune system to stop the spread of cancer was unknown. journey tumor, but this Wednesday news was published in the magazine Nature from a study carried out in mice that has been directed by the University of Cambridge and funded by the public organisation of the United Kingdom, the Medical Research Council and the European Research Council.