In January 1962, three girls at a mission boarding school in Kashasha, Tanganyika, started laughing. They couldn't stop. Within weeks, 95 of the school's 159 students were incapacitated by fits of laughter that lasted hours or even days. The school closed. — Read the rest The post In 1962, a laughing fit spread through Tanzania for 18 months appeared first on Boing Boing.

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