Interesting link to CNN on medical compounds in marijjuana . The essence of which that several compounds in the plant contribute to its effectiveness as a medical product.

http://www.cnn.com/2014/03/11/health/gupta-marijuana-entourage/index.html?hpt=hp_c2

Be sure to read the comments for some comic relief.

Dave
_________________________
If we don't count our blessings
We are just wasting our time