What you need to know about the risks of marijuana

Screen Shot 2016-08-02 at 10.15.50 AM7/5/16–Scientists have been limited in their ability to assess long-term effects of marijuana. That’s largely because the federal government classifies cannabis as a top-tier illegal substance, salve so researchers must comply with an ultra-strict set of requirements that they say can prove insurmountable. Also, researchers are forced to rely heavily on self-reported data that are often muddied and can skew results. Read