by Well-Connected

About the author: Well-Connected reports are written and updated by medical writers and reviewed by a board of physicians at Harvard Medical School and Massachusetts General Hospital.

What Is Alcoholism?

Alcoholism is a chronic disease, progressive and often fatal; it is a primary disorder and not a symptom of other diseases or emotional problems. The chemistry of alcohol allows it to affect nearly every type of cell in the body, including those in the central nervous system. In the brain, alcohol interacts with centers responsible for pleasure and other desirable sensations. After prolonged exposure to alcohol, the brain adapts to the changes alcohol makes and becomes dependent on it. For people with alcoholism, drinking becomes the primary medium through which they can deal with people, work, and life. Alcohol dominates their thinking, emotions...