Stroke is a leading cause of disability and death, but advances in stroke treatment, diagnosis, and rehabilitation are improving outcomes every year. In this episode of Health Matters from Mayo Clinic, host Kristen Meinzer and neurologist James Klaas, M.D., explain what happens during a stroke, how to recognize stroke symptoms, and why emergency treatment can change the course of recovery. Dr. Klaas breaks down the differences between ischemic stroke, hemorrhagic stroke, and transient ischemic