Connection between legalization of marijuana and increase opioid addiction.
The effects of marijuana on the brain of an unborn child. Predisposing children for addiction. Here are the studies cited.
Links
[1] https://www.youtube.com/watch?v=YJ8ZXkgt-Y4
[2] http://rethinkpot.org/tags/colorado%2A
[3] http://rethinkpot.org/tags/pregnancy
[4] http://rethinkpot.org/tags/opioid
[5] http://rethinkpot.org/tags/video