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 Talking About Legalization of Marijuana at School #shorts How To Decarb Weed: How to Decarboxylate Cannabis Thousands apply for medical marijuana cards in Virginia How Bad is Cannabis Really?