Marijuana is recognised by over 200 slang terms.
The most common method of ingesting marijuana is through smoking.
It can be detected in urine tests several days after a single use, and regular users may take weeks for it to have completely cleared their system.

There are nearly 400 individual chemicals in the hemp plant.
Delta-9-tetrahydrocannabinol or THC is the one which is responsible for its psychoactive effects.
The quantity of THC determines the strength of the drug.
The average quantity of THC in a cannabis cigarette is 3%, which usually amounts to 5 to 150mg.
Smoking marijuana can cause the same effects and problems as smoking regular cigarettes, including lung cancer and bronchitis.

When smoked, the drug’s effects are felt within minutes and can last for around an hour and a half, depending on its potency. When eaten, however, marijuana can take 30 minutes or so to affect the body, and its influence may last for hours.
Musicians in the Stoner-Rock genre may attempt to replicate the perception distortions caused by marijuana through their music.