From a fascinating book by Darrel W. Amundsen—Medicine, Society, and Faith in the Ancient and Medieval Worlds (Baltimore, MD: Johns Hopkins University Press, 1996)—come the following observations on early Christian attitudes toward medicine and physicians. These excerpts come from chapter 5, “Medicine and Faith in Early Christianity” (sentences not in quotation marks are comments from me). See here for further insights from Amundsen, on what medievals thought caused illness. And see here for some of his observations on the spiritual usefulness of illness and the meaning of plague.
“While among pagans  and Christians the same range of attitudes toward medicine and healing existed, there was one essential difference between pagans and at least those Christians who had actively embraced the gospel. . . . This pervasive difference between pagans and Christians resulted from the highly personal relationship existing between the individual Christian and an omnipotent God who was typically viewed as a having a direct concern with and involvement in the life of the believer. Continue reading