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Florida International University

ScholarPeer’s latest research news and reporting from Florida International University. Florida International University is a public research university with strengths in environmental science, engineering, biomedical research, public health, computing, and social science. Its researchers study areas including coastal resilience, climate change, infectious disease, neuroscience, artificial intelligence, transportation, and urban systems, combining interdisciplinary research with practical approaches to challenges affecting South Florida and communities worldwide.

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From left, bachelor's student Gabriel Cabeda Ramirez, Ph.D. student Daimien Campos and FIU professor Jason Kostrna review readings from four smartwatches worn by Campos as he rides a stationary bike. Their study evaluated how accurately popular smartwatches estimate calories burned during exercise. CREDIT Photo by Taimy Alvarez/Florida International University

Smartwatches Overestimate Calories, Worse at Higher Body Fat

Wrist worn fitness trackers can overshoot workout calorie counts by wide margins, and the four most popular models get less accurate the more body fat a wearer has, a new lab study using clinical grade metabolic testing finds.

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