Negative Effects of Marijuana

Topics: Brain, Central nervous system, Cannabis Pages: 2 (576 words) Published: October 21, 2010
Marijuana is a psychoactive drug with various common names, such as pot, weed, ganja, and herb. Marijuana originated hundreds of years ago in Asia. Since the discovery of marijuana, people have been using it for numerous reasons: medicine, making ropes and cloths, and enjoyment. Today, it is mostly used is as a narcotic. The main active chemical in marijuana is THC (delta-9-tetrahydrocannabinol). The marijuana contains between zero to three percent of THC. THC stays in the human body for about 28 days. Acordin to Western State University every third person in the US has tried it, and around 44% of US collage students have smoked it. Marijuana does not have only influence on students’ every-day and social life, but more importantly it influences their brain, performance in classes, and education. Negative influence of marijuana on students’ bodies and brains become obvious in their actions, which in turn leads to poor performance in school and lower GPAs. Central nervous system (CNS) is the most important studied target of marijuana’s THC. Central nervous system contains many marijuana-THC receptors called cannabinoid receptors. According to Crockford When THC from marijuana binds the receptor in the brain it leads to impairment of the user’s memory. The user has the difficulty learning the new material and even more difficulty recalling the read or heard material. Students with these side effects have trouble concentrating during the classes and listening to the instructor. Even when they try listening to the professor, the students under the influence of marijuana tend to forget the content of the material presented during classes very easily. This would require marijuana users to spend more time studying for the classes, but studies report opposite. According to the studies at the University of Loyola, students who are using marijuana tend to spend less time studying and much more time socializing with others. Marijuana users tend to study 12.2 hours a week...
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