The cannabis plant has fascinated many civilizations, societies,
and individuals through the centuries with its unique properties,
and many have learned how to benefit from these, finding a variety
of therapeutic and industrial uses of the plant that, in turn,
enhanced domestic economies worldwide. In Thailand, cannabis plants
and their derivatives have been used since ancient times as
treatment for many diseases, and the plant forms a key ingredient
in many Thai traditional medicinal remedies. However, over the past
few decades, cannabis usage was seen to change in a way that became
incrementally more abusive, resulting in outright prohibition in
almost all countries. Thailand was no exception, and in 1979 the
Thai government officially enacted the Narcotics Act forbidding the
use of cannabis and listing cannabis plants and their
derivatives—most notably marijuana (cannabis with
psychoactive properties) and hemp (cannabis with limited or no
psychoactive properties)—as