The higher your body fat percentage, the less accurate your smartwatch is at measuring calories burned
Study participants rode a recumbent bike while wearing four smartwatches and breathing into a metabolic analyzer.


Study participants rode a recumbent bike while wearing four smartwatches and breathing into a metabolic analyzer. Credit: Taimy Alvarez/Florida International University Smartwatches have become an increasingly popular way for people to monitor their health and fitness.
About 100 million—nearly 4 in 10—U.S. adults own a smartwatch.
First reported by Medical Xpress.
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