This is confusion acute panic reactions, anxiety attacks, fear, paranoia, a sense of helplessness and a loss of self control. Smoking marijuana can injure the lungs. In some chronic users it decreases there is a decrease of lung function. Marijuana can interfere with the psychological and physical maturation in adolesince. The hear rate is increased during intoxication.
Chronic users lose interests in everyday events.
This is decrease in motivation, passivity and preoccupation with drug taking. It can also bring emotional disorders in people with psychotic and neutronic problems. In 1900 it started to be used as a pleasure drug. It became widespread among students in the 60's and 70's. It was the second most popular drug.