Use of at least 3 different substances indiscriminately for the past 12 months, knowing the fact that substance causes or exacerbating social, physical and occupational problems. Nicotine and Caffeine are excluded.
Erik Erikson maintained that an individual goes through psychosocial development in 8 sequential stages from birth to adulthood. During each stage, the person may experience psychosocial crisis that could positively or negatively affect their personality.
Obsessive Compulsive disorder (OCD) is one of the anxiety disorder, which is very common and chronic mental illness. It involve two main aspects, one is obsession ( repetitive irrational thoughts) and the other is compulsion ( repetitive actions).