Ten scientific studies from 2016 showing marijuana is safe and effective

The year has seen another mountain of marijuana research, and there's a lot of good news
Alternet (US)
Thursday, December 29, 2016

While no psychoactive substance is completely harmless, modern science continues to prove that cannabis is one of the safer and more effective therapeutic agents available. Here’s a look back at some of the most significant marijuana-centric studies published over the past year. The cumulative use of cannabis by adolescents has no ill effect on intelligence, according to longitudinal data published in January in the Proceedings of the National Academy of Sciences. Investigators concluded: "In the largest longitudinal examination of marijuana use and IQ change, ... we find little evidence to suggest that adolescent marijuana use has a direct effect on intellectual decline.”