Marijuana is a colloquial term used to refer to the dried leaves, flowers, and stems of the Cannabis plant, which are commonly used for recreational and medicinal purposes. Marijuana contains various chemical compounds, including cannabinoids, terpenes, and flavonoids.

The main active ingredient in marijuana is delta-9-tetrahydrocannabinol (THC), which is responsible for the plant's psychoactive effects. THC is known to interact with the body's endocannabinoid system, which is involved in regulating various physiological processes, including mood, appetite, and pain sensation.

Marijuana is commonly consumed by smoking or vaporizing the dried plant material, or by ingesting it in various forms, including edibles, tinctures, and capsules. The effects of marijuana consumption can vary depending on various factors, including the strain, method of consumption, and individual tolerance.

Marijuana has been used for thousands of years for various purposes, including medicinal, religious, and recreational. However, it remains illegal in many countries and states, and its use is subject to various regulations and restrictions.

While marijuana has potential therapeutic benefits for managing symptoms of certain medical conditions, such as chronic pain, nausea, and muscle spasms, its use can also have potential side effects, including impaired memory and cognitive function, impaired motor coordination, and increased heart rate.