The government should treat ultra-processed foods like cigarettes and alcohol - and bring in higher taxes on the companies that make them, says Professor Tim Spector. Labour has declared war on junk food as part of a drive to save the NHS by shifting from "sickness to prevention" but with our love of unhealthy eating costing us an estimated £286bn a year - will it be bold enough?

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Host: Luke Jones.

Guest: Tim Spector, Professor of Epidemiology and co-founder of science and nutrition company ZOE. 

Clips: British Government / OstreFoczki / YouTube / Huntley Archives, BBC, Channel 4.

Image credit: Getty Images.

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