Certain symptoms warn people that their drinking may lead to alcoholism. Beer drinkers never develop alcoholism. Alcohol is a stimulant. Marijuana contains more cancer-producing elements than tobacco cigarettes. Marijuana doesn't affect driving performance.
Cocaine is a stimulant.
Dependency on heroin can develop within a few weeks of daily use. Alcohol is a depressant drug that affects the way one acts, thinks, and feels. Drinking a large amount of alcohol in a short period of time may affect the brain and lead to an alcohol-induced coma or death. Prolonged use of alcohol may also cause death by poisoning various body organs so they do not function properly. The American Medical Association and the World Health Organization recognize alcoholism as a disease.