Marijuana is a preparation made of the buds and leaves of the hemp plant, used recreationally and medically and, today, is usually consumed orally or by inhalation in smoking or vaporization.
             Marijuana or cannabis contains mildly psychedelic (hallucinogenic) and other psychoactive and physiologically active chemicals known as cannabinoids. The main psychoactive substance in cannabis is delta-9-tetrahydrocannabinol (THC).
             • Paranoia, agitation, and anxiety
             • Subjective potentiation of other drugs
             • Difficulty with short-term memory
             • General change in consciousness
             • Mild euphoria, feelings of general well-being
             • Relaxation or stress reduction
             • Increased appreciation of humor, music and other art
             • Stronger connection of body and mind
             • Increased awareness of sensation
             • Creative or philosophical thinking
             The effects of the cannabis plant vary according to the individual, the environment, the variety of plant, and the method of use.
             Also cannabis use causes significant medium-term decreases in cognitive performance, but general intelligence and cognition appear to return to normal within a month of abstinence, except in cases of extremely heavy use.
             Although it may become habitual, the use of cannabis does not result in physical dependence. In all but the heaviest of use, tolerance vanishes with a few days of abstinence, and there is no physical withdrawal.
             There is little decisive scientific evidence about long-term psychological, neurological, and cognitive effects of cannabis use. Cannabis' effects on the mind and brain is a subject of great controversy. Many old studies which purported to demonstrate s
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