The heart's constant beating may actively suppress tumor growth in cardiac tissues, a new study reports. This is because ...

Scientists may have discovered another way the human body tries to protect itself from cancer. New research on mice suggests ...

The heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is always at work. It pumps blood through arteries to deliver oxygen to organs and ...

3D heart on a chip technology: A tiny, lab-grown piece of beating heart tissue may soon help scientists answer a question that has long been difficult: how will a real human heart respond to a drug or ...