Disorders Caused by Addiction to Narcotic Drugs: The harmful drugs which cause an insensible condition in a man are called narcotic drugs or psychotropic drugs. The most frequently used narcotic drugs are- Morphine, Heroin, Opium, Cocaine, Marijuana, Ganja, Hashish, LSD (Ly-Sergic Acid Diethylamide), Barbiturates etc. Narcotic drugs psychotropic drugs are highly addictive. They are much