People who suffer from allergies may be at a lower risk of brain tumours, new research indicates.
The tumours, called glioma, are able to suppress the immune system, which allows them to grow, meaning that researchers have never been certain whether allergies cut the risk of cancer or if the tumours interfere with the hypersensitive immune response to allergens before diagnosis.
However, this new research supports a body of evidence indicating there is a link between the serious brain cancer and allergies.
In this latest study, scientists analysed blood samples that had been withdrawn from patients decades before they were diagnosed with glioma.
It was found that participants whose blood samples contained allergy-related antibodies were at a 50 per cent lower risk of developing glioma 20 years later compared to those who had no signs of allergies.
Judith Schwartzbaum, associate professor of epidemiology at Ohio State University, commented that this is the "most important finding".
“The longer before glioma diagnosis that the effect of allergies is present, the less likely it is that the tumour is suppressing allergies. Seeing this association so long before tumor diagnosis suggests that antibodies or some aspect of allergy is reducing tumor risk," she said.
Posted by Edward Bartel
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