Let’s start with the simple case: performing an action only when the switch goes active. We’ll assume the switch starts in ...

You might love the motivating tempo for workouts or the cadent call for calm that a smartwatch heart rate monitor provides. But when it’s time for an upgrade, what ...

I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...

Kristi is a registered nurse with over 15 years of experience caring for both adult and pediatric patients at the beside. She worked as a Pediatric Intensive Care Unit RN for the first 4 years of her ...

Training smart means mixing up the intensity of your runs – not just going out all-guns blazing on every effort. But distance, time and pace are all blunt tools for measuring effort, which is where ...