Day: January 18, 2016

Twin Study: Marijuana Use Has No Direct Effect On IQ

The cumulative use of cannabis by adolescents has no direct effect on intelligence decline, according to longitudinal data published today 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.”

Is It Better Than Prohibition?

As we look forward to what should be a fantastically successful year for marijuana legalization, it is important that those of us who support legalization join arms and move forward in a unified manner. All political progress requires some measure of compromise, and legalizing marijuana is no exception. Each state that legalizes marijuana, at least during this early stage of legalization, will still need to revisit the topic within a couple of years to fix things not covered in the original proposal (e.g., employment and child custody issues). We will need to expand and perfect these early models. But we must not permit the perfect to be the enemy of the good. Supposed “Legalizers” Sometimes Opponents in Early States In…

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