A drug can be said to be any substance use in medicine.It can also be said to be any substance taken by some people to get certain effect, such as happiness and excitement.Driving from these definitions above, drugs can be classified into two categories;1]The soft Drug e.g antibiotics and analgesics. and 2]The hard drugs e.g cocain, marijuana heroin e.t.c. Consequently, a drug addict is said to be someone whose life has become dependent on drugs,hence drug abuse.
