The human heart is an extraordinary organ, responsible for tirelessly pumping blood to deliver oxygen and nutrients to every part of the body. Its rhythm—heart rate—is an essential vital sign checked ...

Pulmonary arterial hypertension (PAH) is a type of high blood pressure in the arteries in your lungs. It happens when these arteries become narrow or blocked, making it harder for blood to flow ...

Researchers have developed a revolutionary new way to find out the 'true age' of your heart using MRI. A new study shows how an MRI scan can reveal your heart's functional age -- and how unhealthy ...

Everything you need to know about photoplethysmography (PPG), the technology behind heart rate measurements in fitness watches and smart rings. When you purchase through links on our site, we may earn ...

ORLANDO, Fla. — Doctors have cut into Theodore Dippy's heart twice to clear clogged arteries. Other times, they swept aside blockages with tiny balloons and once left a metal stent inside an artery to ...

Clear signs your heart is healthy: key body signals, vital tests, and essential metrics to know—a detailed guide to understanding your heart health. Your heart works around the clock, powering every ...