Cherie Kephart, a young woman who longed for adventure, traveled the world from the remote villages of Central Africa to the majestic coastlines of New Zealand until a mysterious illness thrust her to the precipice of death. The persistent health challenges led to years of suffering, during which her symptoms time and again were undiagnosed by well-meaning medical doctors and healers who were sometimes competent, sometimes careless, sometimes absurd, and always baffled. The anguish, the uncertainty, and the relentless pain would have caused many people to simply give up and end their...