Tarantism or tarantulism or 'dancing mania' as it was popularly known was an obscure illness which was epidemic in Europe between the 13th and 17th centuries. It manifested itself in melancholy, convulsions, screaming, foaming at the mouth and an overwhelming desire to dance or leap wildly into the air until absolutely exhausted. It was popularly believed to be caused by the bite of the tarantula. Research Tarantism
 
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