Immunotherapy has transformed outcomes for many cancer patients. Unlike conventional treatments, these therapies do not ...

Heart rate variability measures the variation in time between successive heartbeats, providing insights into the balance between the sympathetic and parasympathetic nervous systems, which influence ...

Heart rate variability, better known as HRV, has become one of the most talked-about recovery metrics in fitness. Open almost any smartwatch app and you’ll likely find a daily score sitting alongside ...

With a Whoop health tracker strapped to my wrist for the past year, I’ve had an unusually detailed window into my biology – sleep, blood oxygen, steps and, most intriguingly, heart rate variability, ...

No one is good at everything. Or bad at everything, for the most part. The majority of us are just about average. But neuropsychologists, specialists who test brain function for a living, expect a ...

A proliferation of data from wearable technology is telling people how to optimize their job performance. Is that a good thing? BEN VOLDMANCredit... Supported by By Noam Scheiber Dr. Ravi Solanki ...

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 ...

For the past several years, America has been using its young people as lab rats in a sweeping, if not exactly thought-out, education experiment. Schools across the country have been lowering standards ...

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 ...

It took a series of aviation disasters for safety experts to realize the critical role of working memory when pilots and technicians juggle competing tasks. In some cases, technicians made apparently ...

Did you know there’s a number that might let you know how stressed you are, whether you have a cold coming on and how to get into the zone if you’re about to present at a big meeting? You can find ...