Is a drug that is extracted from the plant Cannabis sativa, resin was removed, leaves, stems, flowers and consumed illegal drugs are produced throughout the world, hashish and marijuana. These preparations are consumed smoked in a cigarette that goes by many names among adolescents: joint, spliff, peta, joint. Less commonly smoked in pipes or consumed directly, the effects may last two to three hours.

Its main asset is known as the HTC (tetrahydrocannabinol) has an active life within an organism than a week, indicating that is not removed quickly from the body and if you smoke each week, the substance accumulates in the brain causing severe damage .

Consuming cannabis may feel a pleasurable effect that large doses can be transformed into anxiety disorders and produces the “cannabis drunkenness,” featuring dry mouth, eye redness, tachycardia, uncoordinated movements, uncontrolled laughter and drowsiness.

Symptoms of cannabis abuse and dependence are: abandonment of non-consumers group of friends, lack of interest in activities unrelated to consumption, compulsive use and concern about cannabis have problems, school or work performance.