Smartwatches and wearable heart monitors can help detect issues such as irregular heart rhythms. But they also have limits ...
Nurse scientist Linda Park, PhD, uses NIH funding to study cardiac rehab and digital tools—like pedometers and apps—to ...
A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...
Rising rates of heart rhythm problems are colliding with an aging population and crowded hospitals. At the same time, many ...
The 2025 Polar Loop is a screenless fitness tracker that competes with Whoop and the Amazfit Helio Strap—but doesn't quite beat either.