Alas, you would be wrong. The human body is a complex, dynamic system about which a great deal remains unknown. Writing as recently as 1997, the medical historian Roy Porter put it this way: “We live in an age of science, but science has not eliminated fantasies about health; the stigmas of sickness, the moral meanings of medicine continue.” As a result, gut hunches are routinely passed off as dogma while conventional wisdom flourishes even when there is no data to back it up.
