Additionally, the amount that one individual likes to smoke can be many times what another prefers. Prices drop quickly as quantity goes up. Law Both sales and possession of cannabis are illegal in the United States and most countries, however many states have legalized the medical use of cannabis. The active ingredients in cannabis are called cannabinoids. There are many cannabinoids synthesized by the plant including tetrahydrocannabinol, cannabinol, cannabidiol, cannabinolidic acid, cannabigerol, and cannabichromene.
Most cannabis is cultivated intentionally and can be grown either indoors or out.
The cannabis plant has been used both medicinally and recreationally for thousands of years. It wasn't until the early 19th century that the use of cannabis spread from China and the Middle East to the population of Europe and then to America in the middle of the century. Cannabis was made illegal in the U.S. in 1937 and has continued to be a popular recreational substance since that time. When smoked, the effects of cannabis begin almost immediately. When eaten the effects can take 1 to 2 hours to manifest, based primarily on how much food is in the stomach.