Your heart pumps blood from your head to your toes, provides cells with fresh oxygen, and removes waste products. Located in ...

Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

Science writer Mary Roach chronicles both the history and the latest science of body part replacement in her new book. She ...

A rat study has found that aerobic exercise may reshape nerves that control the heart. However, the impact was not the same ...

After severe heart failure, the ability of the heart to heal by forming new cells is very low. However, after receiving treatment with a supportive heart pump, the capacity of a damaged heart to ...

Scientists have uncovered the protective role of the protein GADD45A in guarding the heart from harmful stress responses.