The Thirteenth Step

Markus Heilig is a physician scientist and one of the most highly cited addiction researchers of his generation. For the past decade, he has led one of the largest research programs on addictive disorders in the world at the National Institute on Alcohol Abuse and Alcoholism at the National Institutes of Health. He is a fellow of the American College of Neuropsychopharmacology and is an editor of leading scientific journals in the field.