If you are a resident of the great state of California, you have probably been long aware of the laws legalizing the use of marijuana for the treatment of certain medical conditions. You might even be quite proud of the fact that your state was the first one to pass such laws, therefore providing the prompting for other states to follow suit. Right now, there are 18 states in the United States that allow the use of cannabis for medical reasons, with more certain to follow.Historians have ...