Do illegal drugs have pleasant effects ?
Experimental studies with marijuana have indicated that while experienced users consider the effects pleasant, novice do not. Experienced marijuana smokers do not, however have the same response when given marijuana extract or pure tetrahydro-cannabinol (THC) orally. Most inexperienced users of amphetamine say that it gives a feeling of energy and strength, but a minority experience anxiety and restlessness. Experienced cocaine users have great difficulty in discriminating between amphetamine and cocaine if both substance are given intravenously. Most people judged the effects of morphine and heroin to be more unpleasant than those of placebo. When opiates are given to medical patients, or when craftsmen accidentally inhale solvents, most of the affected people regard the psychological effects as unpleasant. The interpretation of the effects as highly pleasant seems to be a learnt response linked to an intention identify with user groups. Psychological effects of alcohol Blind test hav
