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The evil eye is a human look believed to cause harm to someone or something. The supernatural harm may come in the form of a minor misfortune, or more serious disease, injury — even death. Folklorist Alan Dundes, in his edited volume "The Evil Eye: A Casebook" (University of Wisconsin Press, 1992) notes that "the victim's good fortune, good health, or good looks — or unguarded comments about them — invite or provoke an attack by someone with the evil eye ... Symptoms of illness caused by the evil eye include loss of appetite, excessive yawning, hiccups, vomiting and fever. If the object attacked is a cow, its milk may dry up; if a plant or fruit tree, it may suddenly wither and die."

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