Obesity to overtake smoking as the main cancer killer

Too many people are eating too much – with potentially fatal consequences. That’s the warning from scientists, who say that obesity is set to overtake smoking as the primary cause of preventable cancers.Sign up for Snowmail, your daily preview of what is on Channel 4 News, sent straight to your inbox, here: http://mailing.channel4.com/public/snowmail/remotebox.jsp

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