Monitoring your heart rate is one of the simplest ways to keep tabs on your health, but to do it properly you typically have ...

Nurse scientist Linda Park, PhD, uses NIH funding to study cardiac rehab and digital tools—like pedometers and apps—to ...

Whoever we are, whatever we’re doing, we have a measurable heart rate. It’s a pretty clear sign of being alive. But what should your heart rate be when exercising? When we exercise, our heart rate ...

Heart muscle cells grown from patient stem cells—known as human induced pluripotent stem cell–derived cardiomyocytes, or ...

Cuffless devices to measure blood pressure, such as smartwatches, rings, patches and fingertip monitors, show great promise as alternatives to traditional arm-cuff monitors, however, they are not yet ...

Rising rates of heart rhythm problems are colliding with an aging population and crowded hospitals. At the same time, many ...

After leaving consumers hanging for much of the year, the Federal Reserve ultimately lowered rates three times in 2025. On Dec. 10, the central bank instituted a 25-basis-point cut to the federal ...