One thing that most if not all addictive substances and behaviors have in common is activation of the

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The mesolimbic system, which includes the ventral tegmental area and the nucleus accumbens, is often referred to as the brain's reward pathway. When we engage in pleasurable activities like eating, having sex, or using drugs, dopamine is released in the nucleus accumbens as a way to reinforce the behavior and create a sense of reward. This release of dopamine is central to the experience of addiction in many substances and behaviors.

One Thing That Most If Not All Addictive Substances and Behaviors