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.
Types of Drugs
Find out more about specific types of drugs:
Treating Drug Addiction
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.
Before you jump into therapy, there are important issues that you need to consider.
If you or someone you love needs therapy, it helps to know the difference between the types of mental health professionals.
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.
Surveys show that as many as 11% of high school athletes have tried anabolic steroids. Find out why these drugs are especially dangerous for teens.
InDepth: Related Conditions
Natural and Alternative Treatments (By Condition)
National Institute on Drug Abuse