With the coronavirus outbreak having made us all more aware of the vital role of the immune system in fighting disease, emergency medicine specialist Dr. Ronx Ikharia delves into the latest science to flag how we can make our immune system as robust as possible. One experiment tests whether lifestyle changes can transform a group of volunteers' immune health in just six weeks. Also revealed are the foods that can give our immune cells a killer instinct, the efficacy of "immune boosting" supplements and the most relaxing way to improve your immune defences.

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