Mass Hysteria

+**Mass Hysteria**

+Mass hysteria describes the rapid, spontaneous spread of specific symptoms among a group, often without an apparent physical cause. These episodes, driven by [social contagion](/wiki/social_contagion), manifest as shared anxiety, beliefs, or physical complaints, sometimes leading to [collective delusion](/wiki/collective_delusion) or fear.

+## See also

+- [Panic](/wiki/panic)

+- [Groupthink](/wiki/groupthink)