Street names: Pot, Weed, Grass, Herb, Boom, Gangster, Chronic, and more than 200 more slang terms to describe Marijuana.

Other Forms: Sinsemilla, hashish, and hash oil are stronger more potent forms of marijuana. They contain higher concentrations of the active ingredient THC.

All forms of marijuana are mind altering: they change the way the brain works. Marijuana, which is made from dried parts of the plant cannabis sativa, is usually consumed by smoking a marijuana cigarette, or a joint. Hashish is a gum - like substance that comes from the cannabis flower. Some persons smoke marijuana every few days, on  weekends, or at parties; others smoke on a regular basis, such as once a day, or every other day, and some become so dependent that they must smoke it every two to four hours. Effects can vary, usually there is a euphoria ( high ), combined with a tranquilizing or sedative effect. The mediate effects last about two hours.

Complications of chronic use include time distortion, manifested by tardiness; staying up late; unusual mealtimes and missed appointments; lack of motivation, manifested by poor hygiene; loss of interest in work and other activities; inadequate diet, resulting in malnutrition; problems in interpersonal relationships and unrealistic perceptions of one's job performance. Chronic use can cause respiratory problems, sinusitis, bronchitis, effects on the hormones, liver, immune system and the brain. Chronic use effects the neurotransmitters and neurepinephrine, endorphin, filicle stimulating hormone, and luteinizing hormone, which can result in a variety of physical and / or psychological difficulties.

 The common withdrawal symptoms are aching, headache, dizziness, irritability, insomnia, nausea, loss of appetite, depression and craving of marijuana. These symptoms gradually diminish after the first week of abstinence.