Dentists and doctors are welcoming a sugar tax to wean Australians off sugar in a bid to tackle Australia’s obesity crisis which leads to some of the nation’s biggest killers of diabetes, cancer, and heart disease. The “sin tax” would target sugary drinks, which are a major contributor to the crisis and provide almost no nutritional benefit, raising the retail price of the average supermarket sugary drink by 20 percent. The Australian Medical Association (AMA) estimates that more than 2.4 billion litres of sugary drinks are consumed every year in Australia. “That’s enough to fill 960 Olympic-sized swimming pools,” AMA President Dr Omar Khorshid said at the National Press Club in Canberra. “It could save lives and save millions of dollars in healthcare costs,” Dr Khorshid said. “It would also generate revenue—we estimate about $814 million annually—which we believe could be spent on other preventative activities.” Dental experts have also congratulated AMA’s …