Consistently high heart rate may signal dehydration or poor recovery. Resting heart rate indicates fitness; healthy ranges are 60–100 bpm, 40–50 for athletes. Consistently high or very low heart rates ...

Smartwatches didn't launch with the first Apple Watch in 2015. The Seiko Ruputer—introduced in 1998—is generally considered the first of its kind. However, today's devices are truly next-level ...

Researchers at Bielefeld University have analyzed how reliably AI methods can detect pulse rates from simple video recordings. The technique, known as rPPG—remote photoplethysmography, an optical form ...

You don’t build a stronger heart by punishing it. You build it by challenging it wisely. Somewhere between couch life and marathon mania sits the sweet spot where your cardiovascular system thrives.

Tracking key heart health metrics every day helps you understand how your lifestyle affects your cardiovascular system and empowers you to take proactive steps toward better heart health. Heart ...

Doing easy runs too fast is a common habit among runners, much to the chagrin of coaches everywhere. I know that staying in zone 2 is critical for aerobic development – and after lowering my ‘easy’ ...