A phenomenon in which social trauma or anxiety combines with a suspicious event to produce psychosomatic symptoms, such as nausea, difficulty breathing, and paralysis. If many individuals come to believe that the psychosomatic outbreak is connected to the cause of the trauma or anxiety, these symptoms can spread rapidly throughout a population. In December 2005 … Continue reading Fear of Terrorist Attack Could Trigger Mass Psychogenic Illness – U.S. Department of Homeland Security (2006)