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Abstract The non-medical use of drugs has begun since the dawn of history. Man was consistently looking for substances around him for his pleasure (Perrine, 1996)(1) The dividing line between legitimate use of drugs for social purposes and their abuse is indistinct for it is not only a matter of which drug, but of the amount of drug and of whether the effect is directed antisocially or not. ’Normal’ people seem to be able to use alcohol for their occasional purposes without harm but many may become dependent on it, both emotionally and physically (Laurence & Bennett, 1991 i2) Drugs used for non-medical purposes are often divided into two groups, hard and soft. Hard drugs are those that are liable seriously to disable the individual as functioning member of society by inducing severe emotional and, in the case of cerebral depressants, physical dependence. The group includes heroin, morphine and analogues. Soft drugs are less dependence-producing, there may be emotional dependence, but there is little or no physical dependence except with heavy doses of depressants (El-Koms, 1986i3) • The group includes sedatives and tranquillizers, amphetamines, cannabis, hallucinogens, alcohol, tobacco. (Laurence & Bennett, 1991 and Abou-El-Rous, 1996)(2,4) |