What is saint Vitus dance?

Saint Vitus' dance, also known as chorea, is a neurological disorder characterized by involuntary, irregular movements, particularly affecting the hands and face. Historically associated with the worship of Saint Vitus, it was often thought to be caused by supernatural forces or religious fervor. Today, the condition is recognized as a symptom of various underlying issues, including infections like rheumatic fever or certain genetic disorders. Treatment typically focuses on addressing the underlying cause and managing symptoms.