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 investigated that addiction to drugs is common among different age groups.They also found that the young are more disposed to drugs.In present days no part of the world seems to be free from the scourge of drug trafficking and drug addiction.
The term mental health alludes to cognitive or enthusiastic prosperity of a person. Mental health is a condition of prosperity in which each individual understands his or her own particular potential, can adapt to the typical hassles of life and can make a commitment to his or her community (WHO).
Mental health is "enthusiastic, behavioral, and social development or ordinariness; the nonappearance of a mental or behavioral issue; a condition of mental prosperity in which one has accomplished a palatable mix of one's instinctual drives satisfactory to both oneself and one's social milieu; a proper equalization of affection, work, and recreation interests" (Med vocabulary's therapeutic lexicon).
For data analysis mean and two way analysis of variance (ANOVA) were applied.
Results: The results revealed that age and gender have significant effect on mental health of drug addicts.
A drug alludes to any substance that could achieve an adjustment in the biological function through its synthetic activities .
Drug is a substance that alters observations, cognition, mood, behaviour and generally behaviour and general body capacities) .
Drug addiction alludes to physiological compulsion and psychological dependency.
It is incessant and ongoing utilization of any medication or compound substance without medical prescription that alters the physical and mental states.
Nagy  in his study discovered that adolescents have indicated differential react to episodic drinking.
Results revealed that alcohol consumption significantly damaged the brain of both the adults and the adolescents.  investigated that 44% of the cigarettes smoked have psychiatric or substance abuse disorder.