Daniel Davis: an immune-system user’s guide

Supermarkets and social-media feeds are bursting with “immune-boosting” products that promise to make you better able to fend off infections. But can orange juice really fight a cold? And will a fancy yoghurt help your microbiome prevent illness? Enter a myth-busting immunologist who helps you to ignore the noise and to think critically about your immune health.

Alok Jha, The Economist’s science and technology editor, speaks with Daniel Davis, a professor at Imperial College London and the author of a new guide to immune health, “Self Defence”.

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