Marijuana produces a kind of mind-altering effect, which induces complete rest and sleep. It is regarded as a medical herb because of its potential medical benefits. Marijuana contains at least more than 60 chemicals including cannabinoids. This chemical known as the cannabinoid is use to treat certain kind of medical conditions. When smoked or eaten, the cannabinoid found in marijuana acts on the receptor cells in our brain especially the areas that control our body movement and memory. Marijuana use affects co-ordination and balance thus reducing anxiety and depression.