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The Science of Marijuana$
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Leslie Iversen

Print publication date: 2019

Print ISBN-13: 9780190846848

Published to Oxford Scholarship Online: November 2018

DOI: 10.1093/oso/9780190846848.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 16 January 2022

Is Cannabis Safe?

Is Cannabis Safe?

(p.155) Chapter 6 Is Cannabis Safe?
The Science of Marijuana

Leslie Iversen

Oxford University Press

The results of safety studies in animals have been negative. There are very few human cases of cannabis-related death, and these are probably related to other factors. This chapter discusses whether teenage cannabis use leads to subsequent psychotic illness. It also discusses the difficulty of proving cause and effect. Effects of cannabis on motivation and driving are considered. The teenage brain may be especially vulnerable. Tolerance and dependence are real. The special hazards of smoked cannabis are examined, as is whether cannabis is a “gateway drug.” Finally, the chapter discusses whether there any effects persist after cessation of cannabis use.

Keywords:   cannabis safety studies, cannabis, psychosis, motivation, driving, teenage brain, gateway drug

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