Rijksuniversiteit Groningen: The Religion Factor

… Much apologetic literature written by partisans of various daos is written with this in mind. Take disease, for example, which was usually thought to be caused by the malevolent actions of spirits. One Buddhist story tells of a sick man named He Danzhi who is looking to be cured. He’s been seeing a terrifying demon with a bull’s head on the body of a man. …