Rehab is a place where a patient undergoes proper medication and treatment for dependency on psychoactive substances like alcohol, prescription drugs and strret drugs including cocaine, heroin, amphetamines. The main intention of a rehab is to enable the patient to cease substance abuse to avoid the physical consequences caused by extreme abuse. Treatment includes medication for disorder or depression where counseling by experts are given and sharing of experience with other addicts are usually carried. Meditation and spiritual wisdom is included sometimes in the medication process. Psychological dependency is used where the experts give advice to patients to interact in a drug-free environment.