A new survey finds nearly two‑thirds of Americans use smartwatches or other devices to track heart health, but only 1 in 4 ...

Understanding your heart rate can be helpful to calibrate your perceived exertion, especially on easy and steady runs. This ...

Watch says you’re in the red but body feels fine? You’re not imagining it. Discover why 220 minus age fails women and how to ...

Most modern smartwatches offer countless insights into how our bodies perform. But what is this data really telling us about ...

The company, founded by Temperpack cofounder James McGoff, recently began taking pre-orders for its “breathing lamp,” which ...

Smartwatches and wearable heart monitors can help detect issues such as irregular heart rhythms. But they also have limits and do not replace a diagnosis.

Abstract: Remote Photoplethysmography (rPPG) is a non-contact method for measuring heart rate (HR) through facial video, breaking the constraints of contact measurements and offering broad application ...

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 ...

This article was made possible by the support of Yakult and produced independently by Scientific American’s board of editors. Earlier this year I got an Oura ring to track the state of my health. Soon ...

Sure, they're fun to check—but a cardiologist who owns every major fitness watch explains which numbers are more distracting than beneficial. Jeff Wessler, MD, MPhil, is a board-certified cardiologist ...

In recent months, inflation has picked up while hiring has slowed. The Federal Reserve cut its benchmark interest rate a quarter of a percentage point on Wednesday, opting for its second interest rate ...