The Danish national board of Health has awarded 5.6 million DKR to two studies that will test methods that can be used for effective and early detection of heavy drinkers. The study will be carried out in 9 Danish municipalities in 2008. The study is part of the 'Diet, Smoking, Alcohol and Exercise' nationwide health study of the Danish population. It takes place in 13 municipalities in 2007 and 2008.