According to the National Institute on Drug Abuse (NIDA),
addiction is "a chronic, relapsing disease, characterized by compulsive drug seeking and use, and by neurochemical and molecular changes in the brain." Addiction impairs the body's organs and increases the risk of contracting other diseases. The Science catalog focuses on the disease of addiction and the impact of substance use on brain functioning.
Mechanism of Drug Addiction in the Brain, Animation
Video by Alila Medical Media
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