Addiction is the compulsive physiological need for and use of a habit-forming substance (eg, heroin, nicotine, or alcohol) even when it is physically, psychologically, or socially harmful. It is characterized by tolerance and by physiological symptoms upon withdrawal.
Find out more about specific types of drugs:
Alcohol use disorder Cocaine use disorder Nicotine addiction Opioid abuse Prescription drugs Getting treatment for drug addiction
With many different types of treatment available, you can join others in recovery and work to get your life back.
Group therapy: can it help you?
Although many people can't imagine sharing their problems with a group, group therapy is a way for individuals to work on their problems in a protected and confidential atmosphere.
How to choose a therapist or counselor
Before you jump into therapy, there are important issues that you need to consider.
Mental health practitioners: who’s who?
If you or someone you love needs therapy, it helps to know the difference between the types of mental health professionals.
The science of addiction
It is estimated that there are 16 million drug users, 13 million heavy drinkers, and 66 million smokers in the United States. Read here to find out why.