Drug Addiction

Drugs and Dopamine: The Chemicals of Addiction

Addictive drugs produce a high by over-stimulating the brain’s reward system. Addictive drugs hook us by creating a production of a brain chemical called dopamine. The Art of Neurons Neurons—aka brain cells—communicate with each other through the exchange of neurotransmitters. These are like three-dimensional keys; each fits a lock known as a “receptor.” When a

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