You might have heard of hemifacial spasm, but you might not know what it is. Hemifacial spasm is a condition that affects the muscles on one side of the face. It can cause the face to cramp or spasm. The cause of hemifacial spasms is not precisely clear. But experts believe a problem with the facial nerve primarily causes it. Left untreated, it can cause uncontrolled muscle contractions, leading to facial disfigurement. What Is Hemifacial Spasm? It is a condition that causes the muscles on one side of your face…
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