Melanie Fairbanks

How does a continuous glucose monitor work? A thin sensor under the skin reads glucose in interstitial fluid, and a…

Dog fitness tracker gives owners real data about a dog’s activity and health. It records steps, rest, heart rate, and…

Seeing a smartwatch that measures blood pressure advertised, many people assume it replaces the cuff. It does not: cuffless watches…

Smart ring vs smartwatch comes down to form factor: a ring usually wins on battery life and overnight comfort, while…

A fitness tracker counts as an FSA eligible fitness tracker only when a medical purpose backs the purchase. Buying one…

Understanding heart rate zones helps athletes and everyday exercisers get more from workouts by targeting the right intensity for specific…

Smartwatch element What it does Planning use Optical heart-rate sensor Green LEDs detect blood volume changes using photoplethysmography Wear the…

Feature What is supported Planning use Motion sensing in wearables Accelerometers and gyroscopes in smartwatches and dedicated wearables measure linear…

The best smart scale helps users track weight and body metrics with ease. This guide shows how the best smart…

The best fitness tracker for kids depends on age: Garmin Vivofit Jr. suits younger children, Fitbit Ace suits school-age kids,…