Did Psychiatry Ever Endorse the Chemical Imbalance Theory of Depression?

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With the chemical imbalance theory falling out of fashion, researchers examine the claim that psychiatry never truly endorsed it.

Kenneth Kendler: “Implausible” That Psychiatric Diagnoses Even “Approximately True”

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In JAMA Psychiatry, prominent psychiatrist Kenneth Kendler writes that psychiatric diagnoses are “working hypotheses, subject to change.”
A boy is holding a head. He is unhappy and upset.

The Faulty Reasoning That Turned ADHD Into a Disease

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Leading ADHD researchers outline four mistakes that turned ADHD from a description of behavior into a medical disease.