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Science 31 March 1978:
Vol. 199. no. 4336, pp. 1459 - 1461
DOI: 10.1126/science.415367
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Articles

Science, Vol 199, Issue 4336, 1459-1461
Copyright © 1978 by American Association for the Advancement of Science

articles

delta9-tetrahydrocannabinol: antiaggressive effects in mice, rats, and squirrel monkeys

KA Miczek

delta9-Tetrahydrocannabinol, the most active constituent of marihuana, decreased species-specific attack behavior in mice, rats, and squirrel monkeys at doses (0.25 to 2.0 milligram per kilogram of body weight) that have no effects on other elements of the behavioral repertoire. Aggressive behavior was engendered in all three species by confronting a resident animal with an intruder conspecific. The present results contrast with the widely held belief that marihuana increases aggressive behavior.




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Science. ISSN 0036-8075 (print), 1095-9203 (online)