When you buy through our links, Business Insider may earn an affiliate commission. Learn more Fitbit's Charge series has long been the Goldilocks of the brand's fitness trackers — not quite a ...

The Cardio Load calculation is a metric the Fitbit app uses to suggest how much Pixel Watch and Fitbit users should exercise, but it can be hard to understand. It's also recently been updated for the ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. I’ve been using Fitbit ...