Rehab centre for addicts
The general intent is to enable the patient to cease substance or behavioral abuse, in order to avoid the psychological, legal, financial, social, and physical consequences that can be caused, especially by extreme abuse.

Substance dependencies include:

Alcohol dependence
Sedative, hypnotic, or anxiolytic dependence (including benzodiazepine dependence and barbiturate dependence)
Cocaine dependence
Cannabis dependence
Amphetamine dependence (or amphetamine-like)
Hallucinogen dependence
Inhalant dependence
Polysubstance dependence
Phencyclidine (or phencyclidine-like) dependence
Other (or unknown) substance dependence
Nicotine dependence
Opioid dependence

Behavioral addiction
The term addiction is also sometimes applied to compulsions that are not substance-related, such as compulsive shopping, sex addiction/compulsive sex, overeating, problem gambling and computer addiction. In these kinds of common usages, the term addiction is used to describe a recurring compulsion by an individual to engage in some specific activity, despite harmful consequences, as deemed by the user himself to his individual health, mental state, or social life.