Medical Share on Facebook Share on Twitter Share on Pinterest Share on LinkedIn A mom says her 3-year-old son survived leukemia thanks to medical marijuana. CNN’s Dr. Sanjay Gupta reports. Share on Facebook Share on Twitter Share on Pinterest Share on LinkedIn Articles You May Like Purple Kush Auto Week 4 of flower #AcInfinity #Gaiagreen #grow Why Your Plants NEED Cal-Mag (Secret to Bigger Yields!)