Global governments 'must get tough on obesity'

Tougher action - including taxing junk food - is needed by all governments if the obesity crisis is going to be tackled, experts say. The international group of researchers, who have published a series of articles in The Lancet, said no country had yet got to grips with the problem. They said changes in society meant it was getting harder for people to live healthy lives. And they warned without state action, health systems could become swamped. Obesity-related problems, such as diabetes, were now accounting for between 2% and 6% of health care costs in most countries - BBC