According to Michael Bierer, MD, "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."

This article looks deeper into the science of addiction.