Even an occasional glass of wine or beer increases the risk of health problems and dying, according to a major study on drinking in 195 nations that attributes 2.8 million premature deaths worldwide each year to booze. "There is no safe level of alcohol," said Max Griswold, a researcher at the Institute for Health Metrics and Evaluation in Seattle, Washington and lead author for a consortium of more than 500 experts. Despite recent research showing that light-to-moderate drinking reduces heart disease, the new study found that alcohol use is more likely than not to do harm. "The protective effect of...