Oh yeah. Cannabis is a harmless substance. Not a thing wrong with smoking or otherwise using it.
Yeah? Not according to this study.
Researchers also found that cannabis use in any given year was linked to impaired inhibitory control and working memory one year later.
'We were surprised that the effects of cannabis were more pronounced than the effects of alcohol,' senior author and investigator Dr Patricia Conrod, of the department of psychiatry at the University of Montreal, told Daily Mail Online.
'And we were surprised of the lasting effects. Even if a young person reduced their use, you could still see effects from the previous year. It was more than we expected.'
With a whole lot more @ Cannabis inflicts long-term damage on teenage brains, study finds | Daily Mail Online