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What causes muscle rigidity, muscle twitch and personality change? 1 possible condition

See a list of possible causes in order from the most common to the least.

1

Huntington's Disease

Huntington's disease is a hereditary condition in which your brain's nerve cells gradually break down. It can cause physical and psychological symptoms.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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