Doctors say it's an outbreak of mass hysteria. Last fall, 12 teenage girls from LeRoy Junior-Senior High School - located in a town about an hour outside of Buffalo, N.Y. - began to show symptoms ...

Quick snapshot: The physical anomalies from the Le Roy girls, who attended Le Roy Junior-Senior High School ... chafed at what was deemed an outbreak of "hysteria." The term has long been used ...

But, as research has shown, it is also the cheerleaders and not the math-club girls who are likely to spread hysteria. In a typical case in 1998, a teacher at a Tennessee high school noticed a gas ...

What is mass hysteria? Based on the media reports ... dancing uncontrollably for hours. In 2012, LeRoy, New York made headlines with high school students developing strange tics and verbal ...

A school in northern Malaysia has had to shut temporarily to handle what local media have called a case of "mass hysteria ... In 2012, LeRoy, New York made headlines with high school students ...