The amount of Diet Coke you'd need to drink for it to pose a risk of cancer is currently unknown - but could be as much as a 'bucketful' a day, an expert claims.
The artificial sweetener aspartame found in the fizzy drink as well as chewing gum, Fanta, Dr Pepper and Muller Light yoghurts is set to be declared "possibly carcinogenic to humans" by the World Health Organization (WHO).
The chemical entered the market in the 1980s, but the recent news has sent shockwaves through fans of the low-calorie treats.
