Federal law prohibits the use, possession or sale of marijuana for medical or any other use. (nar.realtor)
In Mexico consumption of small amounts was decriminalized whereas in Uruguay personal consumption was never a crime, although in 2013 the country passed a law allowing the production and sale of marijuana in amounts regulated by the state. (scientificamerican.com)
One week after legal sales of marijuana began, the Nevada Department of Taxation reported that sales were exceeding expectations, stores were running low on stock, and that a shortage would «bring this nascent market to a grinding halt.» (ballotpedia.org)