Health
TikTok tics: when Tourette’s syndrome went viral – Big Think
Once limited in range, mass hysteria can now spread across the globe in an instant.

- Mass psychogenic illness, also known as mass hysteria, is when a group of people manifest physical symptoms from imagined threats.
- History is littered with outbreaks of mass hysteria.
- Recently, alleged cases of Tourette’s syndrome appeared all over the…
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