A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...

I felt fine, but my Whoop data told a different story. Paying attention led to early detection and a successful treatment.

Shorter, nanosecond pulses for treating atrial fibrillation differentiate the company’s approach from existing pulsed field ...

Smartwatches and wearable heart monitors can help detect issues such as irregular heart rhythms. But they also have limits ...

It's true Oura partners with Palantir Technologies, a software company that serves the U.S. government. But some claims about ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

The variety of fitness trackers means there is something for everyone. Some devices may be particularly useful for specific areas — for sleep tracking, for example, you can't beat an unobtrusive ...

An oscilloscope is usually the most sensitive, and arguably most versatile, tool on a hacker’s workbench, often taking ...

More brands are launching screenless trackers to keep you focused, not distracted. I tested the Polar Loop to see if it delivers.