Cannabis was probably introduced to Southeast Asia around the 16th century, and used medicinally and in cuisine.[5] Cannabis has been traditionally grown in Cambodia and is a common ingredient in food. By 1961 in compliance with the Single Convention on Narcotics treaty it was technically made illegal but the law was unenforced, and marijuana was openly sold. In 1992 during a United Nations intervention the drug was specifically made illegal but still the law remained unenforced.[6]