The Survey Two Decades of Prevalence Studies among Iran University Students

the main purpose of this research was to collect and survey the prevalence studies of drug misuse and psychotropic drugs that have been done sporadically among university students from 1374 to 1392. Up to now, no survey of data has been done on these researches. library has been the method of this research and 37 researches were analyzed. methodologically, the results show that many prevalence studies are with major faults. the studies show that less attention has been given to prevalence studies of drug addiction and useful interventions in university students. However, the rate of addiction during 2 decades has been stable; cigar, hookah take the first and second places and alcohol, opium, hashish and heroine come respectively.