Brain fog definitions

Brain fog

1) Mental fatigue 2) Temporary mental fatigue
Found on https://www.crosswordclues.com/clue/brain-fog

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brain fog

mild mental confusion, memory loss, and/or lack of concentration and alertness. May be a symptom of toxic chemical build-up due to impaired liver function. See hepatic encephalopathy.
Found on http://www.encyclo.co.uk/local/22225

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