Some studies suggest that those who suffer from allergies are less prone to cancer than their hay-fever-free friends. The mysterious connection between the immune system and cancer could help researchers fight the disease.
Since the 1950s, scientists have drawn three conclusions about the relation between allergies and cancer: Compared with people who don’t have allergies, allergy sufferers have (1) a higher risk of cancer, (2) a lower risk of cancer and (3) the same risk of cancer.
A recent review of the studies, published by scientists at Cornell University, pinpoints a nuance that could explain the apparent contradiction. Click to learn more about the possible link between allergies and decreased risk of cancer.