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KALW's broadcast is pre-recorded until Tuesday, September 22nd, as we transition our operations to The People's Studio. Until then, some of our regular programming will be disrupted.

Your smartwatch isn't accurately counting how many calories you burn, study says

A new study finds that consumer-grade fitness wearables are generally inaccurate when calculating calories burned. NPR's Leila Fadel speaks with the study's lead author Jason Kostrna.

Copyright 2026 NPR

Leila Fadel
Leila Fadel is a host of Morning Edition, as well as NPR's morning news podcast Up First.