Serotonin and Substance Abuse

Serotonin and Substance Abuse

In addition to being a product of genetics and environment, addiction is a matter of brain chemistry. Actually, the three are closely interrelated. Drugs of abuse are powerful, mind-altering substances that can disrupt the brain’s reward system and adversely affect natural chemical levels. Meanwhile, scientists estimate that genetic influences account for 40 to 60 percent…

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