Cannabis, or more commonly marijuana, is the bud matter of the plant cannabis sativa that is generally used for its psychoactive effect. However, many medical professionals use marijuana for patients suffering from nausea and other ailments, as it often has fewer side effects than other drugs used for the same purpose, and is often easier to use than pills for those who suffer from severe nausea. It also has little negative health effects, compared to most pharmaceutical alternatives. This article is a , please help House Wikia by expanding it.