
There are many good reasons to emphasize the biological underpinnings of substance use disorders. Perhaps most important, the biologic basis of this chronic disease is a strong argument for parity: that is, treating (and funding treatment for) addiction on par with other “biologic” diseases.
The stigma and shame of addiction has much to do with the perception that people with substance use disorders are weak, immoral, or simply out for a good time at society’s expense. Understanding that addiction impairs the brain in many important ways may reduce such stigma. What’s more, the specific type of brain dysfunction may help identify a range of effective interventions and preventions. For example, during adolescence, the brain is at its most plastic — and vulnerable. This is a time when caution and intervention may prove most valuable. The earlier the drug exposure or trauma to the brain, the greater the damage.
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