Throughout history, medical systems have evolved from supernatural explanations of illness to naturalistic and scientific models of disease causation.

Ancient Supernatural and Empirical Models In Ancient Mesopotamia, illness was often attributed to divine punishment, demons, or ghosts, with diagnoses framed as the "Hand of" a specific deity. Treatment involved a dual approach: the ashipu (exorcist) diagnosed spiritual causes, while the asu (physician) treated physical symptoms with herbal remedies and surgery. Similarly, Ancient Egyptian medicine combined magico-religious beliefs with rational observation. Health relied on Maat (balance) and the flow of substances through mtu vessels; blockages or "rot" caused disease. Egyptian physicians, or swnw, utilized advanced surgical techniques and pharma ...