The heart is a complex organ pumping over 5 quarts of blood every minute. Watch and learn how a healthy heart and circulatory system work. Learn more about heart disease care at Mayo Clinic: https://mayocl.in/2WPeBQg. | Mayo Clinic

It's a form of brain surgery without any incisions. Patients with brain tumors, both benign and malignant; vascular formations; and trigeminal neuralgia, a chronic condition that affects the nerve that carries sensation from your face to your brain often are candidates for a noninvasive procedure called gamma knife stereotactic radiosurgery. It pinpoints high doses of radiation at the tumor with little impact to surrounding healthy tissue. https://mayocl.in/36bS3hk | Mayo Clinic