Does a heart rate that is constant an indication of better health, or is a heart rate that is variable. Believe it or not, it’s the variable heart rate that is showing to be a hallmark of good health. Dr. Ernie Bagnulo shares insight on the very important study of Heart Rate Variablity (HRV) and how, in a world where stress and chronic illness is on the rise, this is more important than ever before to know about HRV and what it’s saying about your health.