This is your body on weedSource: CNNAdded on 7:02 PM ET, Mon March 10, 2014Just WatchedThis is your body on weedreplayMore Videos ...Dr. Sanjay Gupta explains how marijuana affects the brain and how pot can be used to treat certain conditions.Legalized marijuana (6)This is your body on weedWeed pies that get you baked, not burned'Green Friday' frenzy hits DenverWeed pumpkin pie, it exists. Happy Thanksgiving. How to buy pot (legally)Weed laws by stateMore from healthChild mummy scanned for clues on ancient lifeFather asks California school district to ban children who haven't been immunizedWatch doctors have heated debate over vaccinationPowered by Livefyre