Accurately measuring electrical signals and calcium levels in the heart can lead to earlier treatment of potentially fatal conditions, such as heart attack or congestive heart failure. Calcium plays ...

You track your VO2 max and working heart rate, but this underrated biometric may tell you more about your heart and long-term health than any other stat. Resting heart rate article Resting heart rate ...

New research shows that even a few drinks can disrupt your heart’s nighttime recovery, smartwatches reveal the hidden cardiovascular cost, even when your sleep patterns look normal. Study: The Impact ...

ROCHESTER, Minn. — You may have heard of the mind-body connection: the broad concept that thoughts and feelings, especially those related to stress, can influence physical health. Mohamad Alkhouli, ...

That little number on your fitness tracker might be more important than you realize. Your resting heart rate isn’t just some random vital sign. It’s essentially a window into how efficiently your ...

A cooler bedroom might be better for older sleepers than previously thought. Researchers found that keeping nighttime temperatures at 75°F reduced stress responses and helped the heart work more ...