Assume a researcher finds that overuse of a drug reduces the body's production of neurotransmitters. Thus, if an abuser of this drug stops taking the drug, withdrawal symptoms occur until the brain begins producing normal levels of neurotransmitters again. Such a finding would most directly support which view of the cause of substance use disorders?

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The finding that overuse of a drug reduces the body's production of neurotransmitters supports the biochemical view of the cause of substance use disorders, which posits that biological factors are the primary cause of addiction.

Assume a Researcher Finds That Overuse of a Drug Reduces