Advanced sensors measure hydration in under 45 seconds, addressing a widespread and under-diagnosed health risk. DENVER, ...

The Ringconn Gen 2 smart ring isn't as polished as Oura, and its workout accuracy is disappointing. That said, it's a solid ...

Firms like Function Health and Oura market regular blood tests to people wanting to take their health into their own hands.

Learn how to measure your sweat rate and build a hydration plan to improve cycling performance, endurance, and heat ...