Are Health Trackers Making Us Healthier, or Just More Anxious?

Wearables now flag everything from irregular heartbeats to dips in blood oxygen, but the data is only as useful as a person's ...

Here’s how the AirPods’ heart rate sensor fares against Apple Watch and other wearables

One of the flagship additions to the AirPods Pro 3 was a built-in heart-rate sensor, which allows users to track more than 50 workout types. But how accurate is it?

A 13-second eye test may help predict recovery of consciousness after severe brain injury

A simple bedside eye test may help predict recovery of consciousness in patients with severe brain injuries, according to new ...
Wareable

Fitbit Estimated Oxygen Variation: We explain SpO2, sleep apnea, and blood oxygen levels

One of the most important metrics on a Fitbit tracker is the Estimated Oxygen Variation—and now that every tracker is fitted with an SpO2 sensor, everyone can take advantage. Blood oxygen may be used ...
verywellhealth

We Asked a Doctor: Which Matters More for Your Health—VO2 Max or BMI?

Healthcare providers have long used the body mass index (BMI) to assess your health and predict your risk of disease, but it is a flawed measure that has been scrutinized over the years. VO2 max, a ...