By Mark Stibich, PhD 

 Medically reviewed by Richard N. Fogoros, MD

The heart is an amazing muscle that beats around 100,000 times a day. It is essentially a complex pump that is able to adjust blood pressure, flow, and volume in order to provide your body with all the blood it needs. Your heart is constantly adjusting to what you are doing and the state of your body. As you age, your heart adjusts to the needs of an older body. These adjustments come with trade-offs, leaving the heart more vulnerable to disease and other problems. Click here to learn more