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bell's palsy

bell's palsy is a paralysis or weakness of the muscles on one side of the face. it causes one side of the face to droop and affects not only taste but also saliva and tear production.

in most cases of bell's palsy, the nerve that controls muscles on either side of the face is damaged by inflammation. the cause of this inflammation is not clear, but it may be linked to a viral infection.

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this information does not replace the advice of a doctor. healthwise, incorporated, disclaims any warranty or liability for your use of this information. your use of this information means that you agree to the terms of use and privacy policy. to learn more about healthwise, visit healthwise.org. © 1995-2022 healthwise, incorporated. healthwise, healthwise for every health decision, and the healthwise logo are trademarks of healthwise, incorporated.

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