A hen near Leeds, England, caused a panic in 1806 when she began laying eggs inscribed with the words Christ is Coming. Terror of Judgment Day swept the population until it was observed that the hen’s owner, Mary Bateman, who had been charging a penny per visitor, was writing the message on eggs and forcibly reinserting them into the hen to be laid again.

As a youth, the writer V.S. Naipaul struggled with hysteria. He described watching the film The African Queen while at Oxford: “Just when Bogart said something to Katharine Hepburn about sleeping one off or something, I could take it no longer and left the cinema. What form did it take? One was terrified of human beings. One didn’t wish to show oneself to them.” Naipaul claimed he cured himself over a two-year period. “Intellect and will,” he said, “intellect and will.”

Franklin Delano Roosevelt, who gave thirty so-called fireside chats over twelve years, was afraid of fire and refused to lock his door while sleeping so as to ensure easy escape, which he would often practice by dropping quickly from his bed or chair and crawling to the exit.

Fear of witches among the Kaguru of Tanzania is extreme: some prefer to defecate inside their huts rather than be alone in the dark at night.

A group of scientists in Madrid in 2012 found that children inherit a fear of the dentist more from fathers than from mothers.