Alcohol: Most Used and Abused Drug Alcohol is the most used and abused drug in the world, for this reason there is no wonder why we have alcohol problems. The most common problem is alcoholism. Alcoholism is a chronic usually progressive disease that includes both a psychological and a physical addiction to alcohol. Alcoholics know what will happen to them when they drink but they are so addicted they can't stop drinking. Alcohol becomes the most important part of the person's life. It totally consumes them, all their thoughts and actions have to do are somehow associated with alcohol. Alcoholism like other illnesses will become worse without tre