They Watched a YouTuber With Tourette’s—Then Adopted His Tics

Hundreds of people are displaying similar behaviors to that of YouTube star Jan Zimmermann. Do they have a disorder or something more mysterious?

They Watched a YouTuber With Tourette’s—Then Adopted His Tics
Hundreds of people are displaying similar behaviors to that of YouTube star Jan Zimmermann. Do they have a disorder or something more mysterious?