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Allergies May Reduce the Risk of Brain Cancer

Allergies May Reduce the Risk of Brain CancerFinally, allergies may have an upside. A new study suggests that allergies may reduce the risk of developing brain cancer.

According to a study at the University of Illinois, Chicago, the more allergies a person has, the less likely he or she is to develop glioma, a most common type of brain tumor.

In the study, researchers involving 419 people suffered from glioma and 612 healthy people who were not suffering from glioma. The patients were asked about their medical histories, including allergies diagnoses and antihistamine use.

Researchers found that people diagnosed with either low-grade or high-grade gliomas were less likely to report a medically diagnosed allergy compared with those who without gliomas. Of the 75 patients who had low-grade brain tumors, only 20 patients reported having any type of allergy while of the 612 healthy people, 282 reported having any type of allergy.

“It doesn’t matter what type of allergy you have, they are all seem to be protective,” said Bridget McCarthy, a research associate professor of epidemiology at the University of Illinois at Chicago.

The risk of brain tumor decreased as the number of reported allergies increased, the researchers said.

While the linked between allergies and the reduced risk of brain cancer is not yet known exactly. Cliff Bassett, allergist from New York, suspects that the reduced risk of brain cancer may due to a hyperactive immune system on people with allergies so it can fight cancer cells.