Why do people use drugs? The question should be amplified and rephrased: what makes some young people use drugs that are officially declared dangerous and illegal in contrast to the majority who drink and smoke socially approved substances? The most obvious and natural answer is because they like them. We do not generally look for obscure, psychological or sociological explanations of most drug use in the community. People take alcohol, smoke tobacco, drink tea and coffee because they enjoy the effects of these substances