This review article does a great job at highlighting why marijuana may be a great treatment for inflammatory conditions. The researchers posited that this is because the body's immune system cells have receptors for the cannabinoids found in marijuana, meaning that marijuana had an effect on the immune system. The researchers based the kind of effect that is has on historical evidence, anecdotal evidence from long-time marijuana smokers, and studies of immune system cells. They concluded that marijuana should seriously be looked at as a possible treatment for inflammatory conditions.