Money quote:
As others noted during his 2003 and 2007 gubernatorial campaigns (see update), in an essay Jindal wrote in 1994 for the New Oxford Review, a serious right-wing Catholic journal, Jindal narrated a bizarre story of a personal encounter with a demon, in which he participated in an exorcism with a group of college friends. And not only did they cast out the supernatural spirit that had possessed his friend, Jindal wrote that he believes that their ritual may well have cured her cancer.
Prometheus Unbound 