In the summer of 1518, the streets of Strasbourg (then a part of the Roman Empire) turned into an eerie stage where men and women danced uncontrollably for days—many until they collapsed and died. Was ...

Rheumatic heart disease is a chronic condition that results ... Sydenham's chorea (St. Vitus’ dance) occurs and is described as uncontrollable rapid movements of the arms and facial muscles.