Scientists have described the “Eureka moment” when they discovered how aspirin may prevent some cancers from spreading.Their new research builds on existing evidence and suggests aspirin supports a boost in the immune system to help catch deadly cancer cells.

Dr. Jie Yang, who carried out the researchm described the drug as a less expensive solution that is more accessible globally.

Scientists have uncovered the mechanism by which aspirin stimulates the immune system and can reduce the metastasis of some cancers. In the study, published in Nature, the scientists say that discovering the mechanism will support ongoing clinical trials,