So, he and his colleagues induced heart attacks in mice and examined responses in the vagus nerve, which carries signals ...

On the flip side, a low HRV — less variation between beats — can indicate your body is stuck in “fight-or-flight” mode. That ...

The widely-accepted optimal cadence number is 180 spm, however research reveals that even some of the best pro runners vary from that number. Ng says that for many runners, a cadence of at least 160 ...

These days, everyone from the average Susan to the hardcore data-loving wellness enthusiast has the technology to track just about anything in the name of self-optimization. A ring wearable tells you ...

These days, it may seem like there’s a million different data points that you’re supposed to keep track of—hello, steps, sleep, and recovery scores!—and it’s difficult to know which ones are worth ...

Hearts are often associated with love, especially around Valentine's Day. That's more relevant than you might think, a new evidence review says. The support of a beloved partner can dramatically ...

A post hoc analysis found that the effect of transcutaneous auricular vagus nerve stimulation (taVNS) on cardiac and inflammatory stress responses was critically dependent on variability in baseline ...

Abstract: Heart rate variability (HRV) is a non-invasive physiological indicator of autonomic nervous system activity and provides an objective means to assess psychological states such as perceived ...

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 ...

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