How do you use electromagnets in medicine?

MRI (Magnetic Resonance Imaging) is widely used in modern medicine to image the body's internal structures in high contrast.

One new and still very experimental use is Transcranial Magnetic Stimulation: the stimulation of specific areas of the brain through electromagnetic induction. Repeated sessions have shown improvement in disorders such as depression and Parkinson's Disease. Altered states of consciousness, out of body states and religious experiences have been reported by human subjects.