History is filled with weird but true stories of social contagion - from dancing manias in the Middle Ages to nuns pretending to be cats in the 19th century to laughing epidemics of Tanzanian school girls in the 1960s.— Susannah Cahalan
History is filled with weird but true stories of social contagion - from dancing manias in the Middle Ages to nuns pretending to be cats in the 19th century to laughing epidemics of Tanzanian school girls in the 1960s.
