New study highlights harmful effects of cannabis use on young teens

Young people who smoke cannabis regularly are 60% less likely to finish school or get a degree than those who have never used the drug, according to an Australian study.

Young people who smoke cannabis regularly are 60% less likely to finish school or get a degree than those who have never used the drug, according to new research published today in The Lancet medical journal.

The results of a long-term study in Australia and New Zealand also show that teenagers who use cannabis daily are 18 times more likely to become dependent and are eight times more likely to use other drugs in later life.