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 ...

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 ...

The heart works tirelessly throughout life, pumping approximately 2,000 gallons of blood daily through a complex network of vessels that nourish every cell in the body. When this vital organ begins to ...