CNN Weed 2 Cannabis Madness Dr. Sanjay Gupta December 21, 2014 05:16:00
Pharmaceutical companies, are focused on both making the medications and maintaining strict quality control. >> we can test for pesticides, we can test for molds, mildews, we can test for residual solvents. >> testing for contamination. one of the biggest hurdles to creating a safe product. recent studies on the contamination on medical marijuana are pretty alarming. one paper showed pesticide residue as high as 69% in a batch of medical marijuana. it's one of the things that concerns main stream doctors about medical marijuana, safety, as well as uniformity and reliability. >> the major issue...