A survey conducted by the Department of Public Health (DPH) shows that one out of every 10 students studying in secondary grade smoke tobacco in one form or another, the Department has said. According to a statement issued by the DPH, the survey conducted among school children last year under the "Global Youth Tobacco Survey' program showed that 5.2 percent of students in the secondary grade smoked cigarettes and 4.5 were habitual smokers.