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ID number:769668
 
Evaluation:
Published: 10.05.2004.
Language: English
Level: Secondary school
Literature: n/a
References: Not used
Extract

1. Marijuana causes brain damage
The most celebrated study that claims to show brain damage is the rhesus monkey study of Dr. Robert Heath, done in the late 1970s. This study was reviewed by a distinguished panel of scientists sponsored by the Institute of Medicine and the National Academy of Sciences. Their results were published under the title, Marijuana and Health in 1982. Heath's work was sharply criticized for its insufficient sample size (only four monkeys), its failure to control experimental bias, and the misidentification of normal monkey brain structure as "damaged". …

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