I co-wrote this piece with Dr. Jeffrey Chen, a Harvard-trained emergency medicine physician who now practices longevity ...

With analog styling, advanced health tracking, and a month-long battery, the Withings ScanWatch Nova Brilliant feels more ...

Higher HRV generally indicates that the body is adapting well to stress and recovery demands, while lower HRV may reflect ...

Experts explain how HRV works, what lowers it, and why it’s becoming a bigger focus in health tracking.

Why it matters: Heart rate and HRV reveal how your body responds to stress, activity, and recovery, offering clues about ...

Samsung's Galaxy Watch may predict fainting episodes. False alarms and missed warnings remain concerns. More real-world ...

Objectives To identify whether patients with arrhythmia, heart failure or ischaemic heart disease presenting with anxiety ...

Heart rate variability has become the wellness scene’s favorite recovery score, but experts say most people misunderstand the ...

A leading cardiologist says there is a specific window each morning when your heart is under the most strain. Dr Francesco Lo ...

“Every morning, from approximately 6am until 10am, your cardiovascular system undergoes a series of predictable physiological ...

Wearable fitness technologies like smartwatches are worn by millions of people daily. But they're not as accurate as you might think.

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 ...