A high-fibre diet could protect against flu and colds by boosting people’s white blood cell count, study finds

A diet high in fibre could protect against flu by boosting the immune system, a study has found.

Researchers say consuming more of the nutrient, which is found in oats, brown rice and raspberries, could increase the body’s antiviral immune response.

Other benefits of a high-fibre diet include a reduced risk of heart disease and diabetes, but researchers now hope it could help combat flu.

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