The American Heart Association wants to help create a new generation of life savers - teens who know how to perform CPR and use AEDs (Automated External Defibrillators) to save lives. Be The Beat! teaches teens about heart health and...

Your heart starts beating before you are born and keeps right on going through your whole life. Over an average lifetime, the human heart beats more than 2.5 billion times. Keeping your heart healthy means eating right, not smoking, and...

Kids Health features this diagrammatically color-illustrated article about the human heart.

Heart rates can be determined by the amount of physical activity your body is engaging in. The more physically active you are, the faster your heart beats. You can measure the rate your heart is beating by taking your pulse. This science...