Apple Watch software got little airtime at WWDC, but between AI upgrades, health features, and UI changes, there's still a lot I’m hoping to see fully realized.

Add Yahoo as a preferred source to see more of our stories on Google. Using a chest strap heart rate monitor can give you accurate, actionable insights to help improve your running. What is the best ...

Pretty much every fitness tracker and smartwatch has an optical heart rate sensor, but they're not always perfectly accurate.