There is an ongoing debate on marijuana and its medical benefits as well as the cost of enforcing its prohibition throughout the United States. While 16 states and the District of Columbia have liberalized marijuana laws allowing for the medical use of the of the controlled substance, it remains illegal based on national law and at any time the Federal government could change direction and shut down this $2billion industry. Should more states legalize marijuana? Should it be legalized entirely? This infographic from GoBankingRates shows some of the benefits of marijuana. What are your thoughts?