

Other countries to do so are Canada, Georgia, Malta, Mexico, and South Africa. In 2013, Uruguay became the first country to legalize recreational use of cannabis. The possession, use, and cultivation of cannabis is illegal in most countries. Since the early 20th century, cannabis has been subject to legal restrictions. While cannabis plants have been grown since at least the 3rd millennium BCE, evidence suggests that it was being smoked for psychoactive effects at least 2,500 years ago in the Pamir Mountains, Asia. It is the most commonly used illegal drug in the world, though it is legal in some jurisdictions, with the highest use among adults (as of 2018 ) in Zambia, the United States, Canada, and Nigeria. In 2013, between 128 and 232 million people used cannabis (2.7% to 4.9% of the global population between the ages of 15 and 65). Long-term adverse effects may include addiction, decreased mental ability in those who started regular use as adolescents, chronic coughing, susceptibility to respiratory infections, and cannabinoid hyperemesis syndrome.Ĭannabis is mostly used recreationally or as a medicinal drug, although it may also be used for spiritual purposes. Physical effects include increased heart rate, difficulty breathing, nausea, and behavioral problems in children whose mothers used cannabis during pregnancy short-term side effects may also include dry mouth and red eyes.

There is a strong relation between cannabis use and the risk of psychosis, though the direction of causality is debated. At high doses, mental effects can include anxiety, delusions (including ideas of reference), hallucinations, panic, paranoia, and psychosis. The effects last for two to six hours, depending on the amount used.

Onset of effects is felt within minutes when smoked, but may take up to 90 minutes when eaten. Ĭannabis has various mental and physical effects, which include euphoria, altered states of mind and sense of time, difficulty concentrating, impaired short-term memory, impaired body movement (balance and fine psychomotor control), : 7 relaxation, and an increase in appetite.

Cannabis can be used by smoking, vaporizing, within food, or as an extract. Tetrahydrocannabinol (THC) is the main psychoactive component of cannabis, which is one of the 483 known compounds in the plant, including at least 65 other cannabinoids, such as cannabidiol (CBD). Native to Central and South Asia, the cannabis plant has been used as a drug for both recreational and entheogenic purposes and in various traditional medicines for centuries. Cannabis, also known as marijuana among other names, is a psychoactive drug from the Cannabis plant.
