Fitness trackers aren't always accurate for everyone, study finds
A new study found trackers can often underestimate energy burn, which can lead to discouraging results and misguided health data, especially if you're trying to lose weight.
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A new study found trackers can often underestimate energy burn, which can lead to discouraging results and misguided health data, especially if you're trying to lose weight.
More than one-third of Americans have turned to apps or devices to track the quality of their sleep.
