Cannabis tea (also known as wee tea or pot tea) is an infusion of cannabis--usually the leaves of the plant, in hot water. This method of ingesting cannabis yields low psychoactive effects, as tetrahydrocannabinol, the primary psychoactive agent in cannabis, is not a water-soluble compound. Dissolving the active ingredient THC in lipids i.e. fats (for example: butter,milk) or alcohol (as in Green Dragon) is more effective for psychoactive purposes. While water-based tea is generally not very efficient, using milk, which has a higher fat content, proves to be more effective. This technique has been used for thousands of years in India, and is referred to as bhang, which is tea mixed with cannabis. Because of its smokeless form of ingestion, it is preferred by some as a method of using the plant for medicinal purposes.