Drinking more than six glasses of wine or cans of beer a week reduces your life expectancy, according to the one of the largest-ever studies on global alcohol consumption. The more you drink, the higher your risk, the study says. Heavy drinkers shave years off their lifespan. New findings in The Lancet show that drinking more than six glasses of wine a week reduces your life expectancy, that’s down from nine glasses of wine currently recommended as the maximum under Australia’s health guidelines. Australian health guidelines say 14 standard drinks a week – that’s about seven pints of beer, or about nine glasses of wine – is safe. But the new findings, published on Friday in The Lancet, significantly undermine that claim