Youth participate in a flag football game on Marine Corps Air Station in Yuma, Arizona. (U.S. Marine Corps photo by Sgt. Travis Gershaneck)

Air Force Staff Sgt. Nick Crouse, a medical technician with the 193rd Special Operations Wing's Medical Group out of Middletown, Pennsylvania, takes the blood pressure of a patient. Heart disease, diabetes, and chronic obstructive pulmonary disease are three ailments that take a huge toll on the body as it ages. (U.S. Air Force photo)

Airmen and Soldiers practice breathing and relaxation during their off duty time in a deployed location. Stress can take its toll on your mental and physical health, including your heart health, but there are breathing techniques to buffer yourself from it. (U.S. Air Force photo by Master Sgt. Lance Cheung)