Why is alcohol addictive?

Why is alcohol addictive?

Gail Priddy (Deputy Director) gives expert video advice on: What is alcoholism?; What is the difference between being an alcoholic and just drinking a lot?; Is alcoholism a disease? and more...

Alcohol is a depressant drug. It depresses the central nervous system. We know this as when we have had a few drinks, alcohol changes judgement and balance, and there are many problems with drinking and driving. Over time it becomes more serious, so just like heroin, alcohol is addictive because it's a depressant.