Benefits of Cannabis Plant, Medical Use. Marijuana, Weed, Hemp, Hashish Benefits

Cannabis, also known as marijuana among other names,[a] is a psychoactive drug from the Cannabis plant used primarily for medical or recreational purposes.[18][19][20] The main psychoactive component of cannabis is tetrahydrocannabinol (THC), which is one of the 483 known compounds in the plant,[21] including at least 65 other cannabinoids.[22] Cannabis can be used by smoking, vaporizing, within food, or as an extract.[23]

Cannabis has mental and physical effects. It causes a “high”, or stoned feeling and other effects, including a general change in thought and perception, difficulty concentrating, impaired short-term memory, altered sense of time, impaired body movement,[23] relaxation,[24] and an increase in appetite (otherwise known as “munchies”.)[25] Onset of effects is felt within minutes when smoked, and about 30 to 60 minutes when cooked and eaten.[23][26] The effects last for two to six hours, depending on the amount used.[26] At high doses, mental effects sometimes include psychosis, delusions, hallucinations,[23] paranoia, and ideas of reference, sometimes with anxiety and panic.[27] Its physical effects include increased heart rate, difficulty breathing, nausea, and behavioral problems in children whose mothers used cannabis during pregnancy.[23] Short-term side effects may include a dry mouth, red eyes, and feelings of paranoia or anxiety.[28][29] Long-term adverse effects may include addiction, decreased mental ability in those who started regular use as adolescents, chronic coughing, and susceptibility to respiratory infections.[30] There is a strong relation between cannabis use and the risk of psychosis,[31][32] though the cause and effect is debated.[33]


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