This is certainly possible, but almost always when I dug deeper I'd discover that the person was showing abnormal thoughts or behaviors even before the head trauma, and that therefore the head trauma was likely a "red herring, " meaning an event that appears to explain something but in fact doesn't.

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Shaking my head in bewilderment, it occurred to me: Could this be a red herring?

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Loretta Lynch, head of California's PUC, calls the safety argument "a total red herring" and says El Paso probably profited from higher prices in ways the judge didn't see.

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