Oregon Family uses medical marijuana to treat their 11 year old autistic son

A story on Fox News about an Oregon family who is using a liquid form of medical marijuana on their 11 year old autistic son. http://www.foxnews.com/health/2013/04/04/family-uses-medical-marijuana-to-treat-severely-autistic-son/?test=latestnews

They claim it changed his self-destructive behavior in 1 – 1 1/2 hours.  I can say I do not know enough about medical marijuana at this point, but the stigma of marijuana for recreational creates concern for use on a child.  Self-destructive behaviors can be dangerous.  They claim the benefits of the use outweigh any potential long term effects.