NIH center that 40 % of patients have used some form of alternative medicine . The book contains a chapter that tracks several historical instances of extraordinary healing , including in the village of Lourdes in southwestern France , where in 1858 a young peasant girl named Bernadette Soubirous claimed that a woman dressed in white ( said to be the Virgin Mary ) had appeared and asked her to convey important spiritual messages to the community . Not many randomized , controlled clinical trials are done on these because it 's not profitable . Many medical professionals have come around to the idea of an integrative approach .
NIH center that 40 % of patients have used some form of alternative medicine . Not many randomized , controlled clinical trials are done on these because it 's not profitable . Many medical professionals have come around to the idea of an integrative approach .