Your fitness tracker could be incorrect

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Illustration (PHOTO: Getty Images/Gallo Images)
Illustration (PHOTO: Getty Images/Gallo Images)

Most fitness trackers do a poor job of measuring calories burned, researchers claim.

Academics at Stanford University School of Medicine have studied seven wristband activity monitors, as worn by a diverse group of 60 volunteers.

The devices evaluated were the Apple Watch, Basis Peak, Fitbit Surge, Microsoft Band, Mio Alpha 2, PulseOn and the Samsung Gear S2.

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