Results: The use of PAS at some point in life had prevalence of 90.6%. Alcohol was the most used PAS by students, followed by cannabis. The use of drugs for depression showed association with alcohol and cannabis consumption, cannabis was predominately consumed by male . The majority of students reported dissatisfaction with life. Conclusion:The prevalence of PAS use is high among the Dentistry students interviewed. The PAS most consumed by students was alcohol, followed by cannabis, psychoactive drugs, and tobacco.Keywords: street drugs, drug users, narcotics, students, dental, cannabis 245Emergence of cannabis as the second most commonly used psychoactive substance among students J Hum Growth Dev. 2017; 27(2):244-252 J Hum Growth Dev. 27(2): 244-252. DOI: http://dx