http://www.activistpost.com/2015/12/recent-studies-find-cannabis-to-be-effective-against-depression-ptsd.html?utm_source=Activist+Post+Subscribers&utm_medium=email&utm_campaign=65e9bb88d7-RSS_EMAIL_CAMPAIGN&utm_term=0_b0c7fb76bd-65e9bb88d7-387885665