The surprising link between hay fever and your gut bacteria

New research suggests probiotics could help sufferers beat the worst of the seasonal symptoms

Sneeze
Hay fever is common, affecting up to 42% of people and occurs when the immune system overreacts to allergens including pollen
(Image credit: Universal Images Group/Getty Images)

Samuel J. White, senior lecturer in genetic immunology and Philippe B. Wilson, professor of one health at Nottingham Trent University, explain how new research has revealed a link between hay fever and the microbiome, the collection of microorganisms that live in and on our bodies.

For many people, spring has brought with it the dreaded symptoms of hay fever, such as itchy eyes, sneezing and a stuffy nose. Hay fever is common, affecting up to 42% of people. It occurs when the immune system overreacts to allergens including pollen.

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