Is social media spreading twitching hysteria?

Doctors treating the strange case of nearly 20 teenagers with a twitching disorder in upstate New York say the symptoms may be spreading faster through the girls' own use of Facebook and other forms of social media.

Experts have diagnosed the problem as a form of mass hysteria in which an individual, usually a young woman, becomes ill during a period of stress, and others in the same community, school or workplace begin to show the same physical symptoms.

Last fall, several girls in the small town of LeRoy, N.Y., began complaining of involuntary facial and body twitching that resembled Tourette's syndrome. Since then, a dozen girls from 13 years to 18 years old have been affected, as well as one boy. Read more...