Learn more about the history, effects, and legality of marijuana. Research indicates that marijuana use during the teenage years is associated with an. Much of what is known about the adverse effects of medicinal cannabis comes from studies of recreational users of.
Marijuana, also called pot, weed, ganja, mary jane, and a host of other nicknames, is made from the Cannabis plant, which has three species: Cannabis sativa; Cannabis indica and Cannabis ruderalis. The leaves, stems, flower buds and extracts from the marijuana plant can be eaten. From the Asian steppes where Cannabis sativa plants first evolved, An artist's image shows marijuana plants overshadowing the Earth.
When marijuana is smoked, THC and other chemicals in the plant pass from the lungs into the bloodstream, which rapidly carries them throughout the body to. A plain-language research summary about marijuana, including how people use it, its effects on the brain and overall health, and treatment.
Marijuana, also known as cannabis or pot, has a long history of human use. Most ancient cultures didn't grow the plant to get high, but as. Marijuana has been used as medicine and a way of achieving euphoria since ancient times. The first reference to its use is in a Chinese medical manual dating .
Medical marijuana is a plant-based medicine from the Cannabis sativa or Cannabis indica species with three major active compounds: THC, CBD, and CBN. Medical marijuana is controversial, yet people need to better understand it Patients do, however, report many benefits of CBD, from relieving.
Hemp, or industrial hemp, is a strain of the Cannabis sativa plant species that is grown specifically for the industrial uses of its derived products. It is one of the. Hemp, (Cannabis sativa), also called industrial hemp, plant of the family Cannabaceae cultivated for its fibre (bast fibre) or its edible seeds. Hemp is sometimes confused with the cannabis plants that serve as sources of the drug marijuana and the drug preparation hashish.