Prevalence of Use by Portuguese Youth Compared With Others in EU
(Prevalence of Use by Portuguese Youth Compared With Others in EU) "In ESPAD [European school survey project on alcohol and other drugs] 2011 once more cannabis was the drug that presented the higher lifetime prevalence of use (16%) a value closer to lifetime prevalence of any drug (19%). Between 2007 and 2001 increased the lifetime prevalence of use of any drug (from 14% to 19%), decreases were verified in the prevalence of use of all drugs with the exception of heroin.