Pathophysiology: genetics, iron, dopamine

Restless legs syndrome is a sleep-related neurologic disorder that causes an overwhelming urge to move the limbs, which can cause substantial sleep disturbance. Author John W. Winkelman, MD, PhD, of Harvard Medical School joins JAMA Deputy Editor Kristin Walter, MD, MS, to discuss the symptoms, risk factors, diagnosis, and treatment of restless legs syndrome. Related Content:

• Restless Legs Syndrome