Chapter 33 The Nervous System.pdf
Chapter 33 The Nervous System.pdf
Chapter 33 The Nervous System.pdf
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<strong>Chapter</strong> <strong>33</strong><strong>Nervous</strong> <strong>System</strong><strong>33</strong>.4 Effects of DrugsTolerance and Addiction• Tolerance occurs when a person needs moreand more of the same drug to get the sameeffect.• <strong>The</strong> psychological and/or physiologicaldependence on a drug is addiction.
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