The legalization of marijuana would have a detrimental effect on the United States due to the dangerous psychological and physiological impacts that tetrahydrocannabinol (THC) has on the human body, dangers posed by large-scale legalization of marijuana. marijuana use would pose to the entire American population, and the social barriers that legal use of such a powerful hallucinogen would create for an individual in current and future generations. Due to the dangers of consuming it, marijuana is expected to remain illegal throughout the United States. Although the exact chemical composition of marijuana is very complex, its main component, tetrahydrocannabinol (THC), is fairly well known to most people. Tetrahydrocannabinol is “the main psychoactive substance found in the cannabis plant” (Princeton University, 2006). The effects of this powerful drug have been sought by many people for hundreds of years. But it's reasonable to assume that the millions of Americans who use marijuana recreationally don't understand the dangers this seemingly harmless plant can pose, both to their personal health and that of those around them. associated with the development of many undesirable multisystem defects within the human body, as well as several psychotic disorders. Once tetrahydrocannabinol is introduced into the body, it can “cross the biological barrier that separates the brain from the bloodstream” (Steve Connor, 2006). Once inside the brain, individual tetrahydrocannabinol molecules act as biological barriers to prevent neurotransmitters from passing through the body. the brain. After long-term exposure, the hippocampus, an area of ​​the brain that is primarily responsible for memory...... middle of article ......m Johns Hopkins at Harvard that marijuana can alter and end lives. If we Americans choose a recreational substance over the safety of our own children, the results would wreak havoc on many generations to come. Works CitedBrooks, D. (nd). Weed: I went there. It's done... NYTimes.com. Retrieved February 13, 2014 from http://www.nytimes.com/2014/01/03/opinion/brooks-weed-been-there-done-that.html?_r=0Cox, RG, Zhang, L., Johnson , WD and Bender, DR (2007), Academic performance and substance use: Results from a state survey of public high school students. Journal of School Health, 77: 109-115. doi: 10.1111/j.1746-1561.2007.00179.xRocky Mountain HIDAT. (2013) Colorado Marijuana Legalization: The Impact. Volume 1, 58Wheelock, B. (2002) Physiological and psychological effects of cannabis: a review of research findings. Volume 1, 51