Even as some states are allowing use of certain marijuana extracts to treat severe epilepsy, the rigorous research needed to prove if one of these compounds really works is just getting under way. AP correspondent Nicki Mayo reports.
Here is my story from the Associated Press. Visit http://bigstory.ap.org/ for more stories and breaking news.
https://soundcloud.com/nickimayonews/041315-study-marijuana-extract-may-help-children-with-epilepsy
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