Addiction and addictive behaviour is a big problem all over the world. In The Netherlands an estimated 10-15 percent of the inhabitants is involved in some degree with addiction problems or substance abuse. In most of the cases risky use of alcohol causes these problems. Especially younger people under 25 years old and elderly people above 55 years old are at risk because of their risky drinking habits. Youngsters are often binge drinkers, while the elderly in this group are frequent drinkers.