English

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Etymology

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The sense "mental illness" is due to the fact that some mental illnesses are caused by chemical imbalances in the brain.

Noun

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chemical imbalance (plural chemical imbalances)

  1. Used other than figuratively or idiomatically: see chemical,‎ imbalance.
  2. (euphemistic) Mental illness.
    • Warden, Rob and Drizin, Steven (2009) True Stories of False Confessions, →ISBN, page 28:Anyone who knew him well would suspect he had a chemical imbalance. He had been unhappy recently. And there was a history of suicide in the family; his mother had tried to kill herself.
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Translations

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