sentences:  Overall, the potential long-term side effects of medical marijuana are not yet fully classified.As a result, further studies must carry out to fully understand the benefits as well as adverse psychiatric and medical side effects of the drug.Many proponents of cannabis decriminalization have argued that decriminalizing cannabis would largely reduce costs of maintaining the criminal justice and law enforcement systems, while legalizing cannabis to allow the cultivation and sale would generate a substantial amount of income from taxing cannabis sales.