During an average lifetime, the human heart will beat more than 2.5 billion times. Give a tennis ball a good, hard squeeze. You're using about the same amount of force your heart uses to pump ...

For most of history, the human heart has been regarded as a forbidden ... that would allow him to cut into the wall of a still beating heart, insert a finger, locate the shrapnel and remove ...

Obesity can put strain on the heart, resulting in an increased risk of conditions such as atrial fibrillation, or irregular ...

started to beat inside the chest of a 54-year-old grocer, Louis Washkansky. News of the first human-to-human heart transplant, led by South African surgeon Christiaan Barnard, made headlines ...