A good analogy for thinking about psychosomatically-induced symptoms or illness is as the inverse, or the reflection symmetry, of the placebo effect It's a fac

A good analogy for thinking about psychosomatically-induced symptoms or illness is as the inverse, or the reflection symmetry, of the placebo effect It's a factor. But it's a factor in a relatively small percentage of cases. It's what you look at when all of the "reasonable" answers come up dry