A recent United Nations World Drug report shows a dramatic rise in the use of cannabis in the United States over the past decade.
According to the most recent World Drug Report, the number of daily users grew by two-thirds in the period just before and since the drug's decriminalisation in some US states.
The United Nations concerns that where the cannabis plant and products are sold for medical use, recreational consumption also rises.
It is believed that the main reason is people in the United States now perceive marijuana to be less harmful than they once did.
With Australia legalising medical cannabis and allowing the sale of hemp-based food products, could it soon follow?
The SBS Korean program has more.