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Should Marijuana Be Legalized? Essay

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QUESTION
Do you think marijuana should be legalized?
INTRODUCTION
Due to the evidence that I have found through researching the topic, I do not believe that marijuana should be legalized. Although there are many reasons why marijuana should not be legalized, I will be focusing upon the adverse effects of cannabis on the brain; including its modulation of drug reward within the brain, its effects on the structure and function of the brain, and its causation of an increased risk of psychiatric problems or substance abuse.
THESIS
I believe that marijuana should not be legalized because the use of marijuana adversely effects the brain through various avenues by modulating drug reward, altering its structure and function, and increasing the risk of psychiatric problems and substance abuse.
ANNOTATION 1
Choi, N. G., DiNitto, D. M., & Marti, C. N. (2016). Older-adult marijuana users and ex-users: Comparisons of sociodemographic characteristics and mental and substance use disorders. Drug and Alcohol Dependence, 165. doi:http://dx.doi.org.proxy.lib.uwaterloo.ca/10.1016/j.drugalcdep.2016.05.023
In this full length article from the Drug and Alcohol Dependence scholarly journal, Choi, DeNitto and Marti highlight the risk of substance use disorders for past-year marijuana users, and past-year or lifetime mental disorders for both ex-users of marijuana and past-year marijuana users. This article discusses the large sociodemographic difference between people who have never used marijuana,

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