Dualism holds that the mind and body are separate, with mental experiences not fully explained by physical processes alone. René Descartes popularized dualism by arguing the mind is non-physical while ...

Some years ago, I had a colonoscopy without being fully anesthetized, and was able to watch on a computer screen the shifting views of the insides of my colon. I was both fascinated and disturbed.

The notion that psychological problems can manifest as physical disorders or symptoms predates the founding of modern scientific psychiatry in the late 1800s. Indeed, it is an idea as old as medicine ...