Definition
Person who intakes opiates and chemical substances like Cocaine, Heroin, LSD, Morphine, Buprenorphine etc. is
defined as hard drug users in this survey. Similarly, those who inhale adhesive substances like dendrite and other
polishing substances are also considered as hard drug users. Those who consume only marijuana and alcohol are not considered as hard drug users. But, if a person consumes marijuana or alcohol with one of the other hard drugs as mentioned above, then he/she is considered as hard drug user.