Drug-taking among Nigerian students at universities in the United States of America.

A sample survey of Nigerian students conducted by means of a self-administered drug use questionnaire at three universities in the United States of America showed that at some time in their lives 91.2 per cent of the respondents had used alcoholic beverages, 62.3 per cent tobacco, 30.6 per cent cannabis, 6.3 per cent inhalants, 19.7 per cent amphetamines or amphetamine-type substances, 4.6 per cent cocaine, 2.1 per cent hallucinogens, 23.8 per cent tranquillizers, 4.2 per cent sedatives, 4.2 per cent opium, 1.3 per cent heroin and 20.5 per cent other opiates. These substances were used for non-medical purposes. In addition, the results of the survey showed that in the last 12 months before the survey 79.1 per cent of the respondents had used alcoholic beverages, 41.8 per cent tobacco, 2.9 per cent inhalants, 19.2 per cent cannabis, 10.4 per cent amphetamines and amphetamine-type substances, 2.1 per cent cocaine, 1.7 per cent hallucinogens, 5.4 per cent tranquillizers, 2.5 per cent sedatives, 2.1 per cent opium, 1.3 per cent heroin and 8.8 per cent other opiates. The survey also showed that in the last 30 days before the survey 64 per cent of the respondents had used alcoholic beverages, 31.8 per cent tobacco, 2.1 per cent inhalants, 13.9 per cent cannabis, 5.3 per cent amphetamines and amphetamine-type substances, 0.8 per cent cocaine, 1.2 per cent hallucinogens, 2.1 per cent tranquillizers, 2.1 per cent sedatives, 2.1 per cent opium, 1.3 per cent heroin and 5.1 per cent other opiates.