Join our Whatsapp channel PARIS: Nearly 60 per cent of all adults and a third of all children in the world will be overweight or obese by 2050 unless governments take action, a large new study said on Tuesday. The research published in the Lancet medical journal used data from 204 countries to paint a grim picture of what it described as one of the great health challenges of the century.“ The unprecedented global epidemic of overweight and obesity is a profound tragedy and a monumental societal