CNN Weed 2 Cannabis Madness Dr. Sanjay Gupta July 9, 2014 04:16:00
Solvents. >> testing for contamination, it's one of the biggest hurdles to creating a safe product. in fact, studies on the contamination of medical marijuana are pretty alarming. one los angeles case found dangerously high levels of insecticide in two out of three medical marijuana samples. it's one of the things that concerns main stream doctors about medical marijuana, safety, as well is uniformity and reliability. >> the major issue that physicians have is in the consistency of the product, how do you know what the person is getting? and the answer is we don't. >> neurologists dr. edward i...