The Fitbit Air wristband and the Oura smart ring are both excellent screen-free fitness trackers. I compare specs, features, ...

Gone, but never truly forgotten.

Accurate patient monitoring is not an optional extra in general practice. It is a fundamental part of the clinical encounter, ...

Ultrahuman's Ring Pro — the Bengaluru-based startup's third-generation smart ring — began shipping worldwide on June 20, 2026, priced at $479 bundled with a wireless charging case and carrying no ...

I tested both of these screen-free fitness trackers to determine whether the affordable Fitbit Air wristband or the stylish Oura smart ring is the better pick. I’m PCMag’s senior writer covering smart ...

Pulse oximeter devices routinely overestimate blood oxygen levels in darker-skinned patients—a racial bias that can trigger downstream health harms for Black individuals, compounding well beyond any ...

An overnight pulse oximetry test checks your blood oxygen levels while you sleep. It's not enough to diagnose sleep apnea, but it can show if you need more tests. An overnight pulse oximetry test is a ...

Normal blood oxygen saturation levels are 95% to 100%. Most people should have a blood oxygen level of at least 92%. If your blood oxygen level drops below 90%, it can be dangerous and requires ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Ellen Lee Ellen Lee is a writer focused on parenting and health gear. She has ...

Where (and how) you wear your health tracker can impact your data accuracy. Here's what researchers say matters most. Vanessa is a lead writer at CNET, reviewing and writing about the latest ...

Apple has been embroiled in a six-year legal battle over one of its Apple Watch health apps. The end may finally be in sight, and here's what Apple has to say about it. Anna Gragert Senior Editor, ...

A 40-year-old communication professional, Jatin Khattar did not walk into a doctor’s clinic because he felt unwell. He walked in because his watch told him something was off, and he chose to listen.