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What is substance dependence?

Howard J. Shaffer, PhD
Addiction Medicine
Substance dependence is a condition characterized by repetitive and often excessive substance use, impaired control over substance use, continued use of substances despite adverse consequences, and withdrawal symptoms that emerge when the substance use is discontinued.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.