Smart watches that come packed with fitness tracking, GPS and health monitoring tend to cost $300 or more and were thus way ...

The human heart, a fist-sized muscle, tirelessly beats billions of times throughout life, powering every cell by delivering ...

People who smoke only a couple of cigarettes a day still face surprisingly high risks of heart problems and early death. A large review of long-term studies shows that even very light smokers can see ...

Sleep tracking breaks down your rest into light, deep, and REM stages, showing just how well you actually slept. The morning ...

Invasive epicardial coronary physiologic assessment is increasingly performed to evaluate the hemodynamic significance of ...

Readers respond to a front-page article about fetal heart monitoring and C-sections. Also: When Shirley MacLaine was the ...

Drinking 1 cup of caffeinated coffee a day might help lower a person's risk of recurrent AFib episodes by as much as 39%, a ...

For decades, blood pressure has been a static snapshot taken in a clinic, once or twice a year, often under fluorescent lights and leading to patient anxiety. (I have yet to meet someone who is not at ...

Background: Heart failure with preserved ejection fraction (HFpEF) frequently co-occurs with chronotropic incompetence (ChI), impairing the heart's ability to appropriately increase its rate during ...

The Federal Reserve has lowered interest rates for the second time in a row. The Fed announced a quarter of a percentage point rate cut, which falls in line with what economists expected. CBS News ...