Hemifacial spasm is a condition in which the muscles contract in tics or twitches on one side of the face, usually the left. People do not have control over these spasms, and very often they continue ...

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Eye twitching, medically termed myokymia, is a frequent condition experienced by many people. While it is usually harmless, caused by stress, fatigue, lack of sleep, or excessive caffeine, persistent ...