Teenage cannabis smokers who carry on using the drug in adulthood are more likely to suffer from hallucinations or paranoid delusions, research suggests. Teenagers who started smoking the drug when aged just 15 were twice as likely to suffer ‘non-affective psychosis’ and four times more likely to suffer delusions after six years than those who abstained. Scientists at the University of Queensland in Australia examined 3,081 adults b ... Jump to full article >>