Abstract
Analysing the effects of using cannabis on youth mental health Mary Cannon, Professor of Psychiatric Epidemiology and Youth Mental Health at RCSI University of Medicine and Health Sciences, investigates the effects of using cannabis on young people’s mental health. Cannabis is the most widely used drug among young people globally. The average age of initiation of cannabis use is mid-teens, and use tends to fall off later in life. Unfortunately, the peak period of cannabis use coincides with the peak time for brain development which continues up to age 25. The main adverse effects of using cannabis during adolescence fall under three broad categories: dependence, underachievement and mental health problems (DUM). Let us deal with each of these in turn.
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