The youth population of three PERSIAN Cohort sites, Fasa, Ravansar, and Zahedan will be invited to participate in the Youth Cohort, with a primary focus on mental health and substance use in that population. The Youth Cohort will include 9000 individuals of both genders.
General Objectives of the Cohort are as followed:
To determine the annual incidence of common psychiatric disorders in Iran
To determine the risk and protective factors for the incidence of common psychiatric disorders
To determine the course and outcomes of common psychiatric disorders