Many people drink alcohol. Drinking too much can take a serious toll on your health. It's important to know how alcohol affects you and how much is too much. READ MORE

An alcohol use disorder (AUD) is drinking that causes distress and harm. AUD can range from mild to severe (alcoholism). Learn the signs that you may have a problem with drinking. READ MORE

An alcohol use disorder (AUD) is drinking that causes distress and harm. Learn about the medicines and behavioral therapies that treat AUD. READ MORE

Thinking about using anabolic steroids to build muscles or improve your athletic performance? Think again. Misusing them is not legal or safe. It can cause long-term health problems. READ MORE

Cannabis, or marijuana, contains many chemicals, including CBD and THC, which causes a high. Learn about the short and long-term effects of cannabis use. READ MORE

Club drugs are group of psychoactive drugs popular at bars, night clubs, and raves. They include MDMA (Ecstasy), GHB, and others. Learn more. READ MORE

Cocaine, also called crack cocaine, is a highly addictive stimulant. It can be snorted, injected, or smoked. Learn about health effects and treatment. READ MORE

Drugs include prescription and over-the-counter medicines, alcohol, tobacco, and illegal substances. Repeated drug use can change the brain and lead to addiction. READ MORE

Drug use, or misuse, is especially dangerous for young people. It can interfere with brain development and lead to other health problems. READ MORE

Many people with a mental illness also have problems with substance abuse. This is called dual diagnosis, or co-occuring disorders. Learn more. READ MORE

Smoking e-cigarettes, or vaping, may not be as safe as you might think. An e-cigarette contains nicotine which is harmful to your health. Learn more. READ MORE

Drinking alcohol while pregnant can result in fetal alcohol spectrum disorders. The most severe is fetal alcohol syndrome. Learn the risks and available treatments and therapies. READ MORE