Fizzy drinks a major culprit in child obesity

FIZZY drinks are piling on the pounds on teenagers, with one can a day adding one stone to their weight after a year, research shows.

Researchers who monitored the weight of more than 100 teenagers found that those who consumed a single can of sugar-sweetened drink gained more than a pound in body weight every month.

Half of the teens surveyed drank only unsweetened drinks.