Activity trackers fall short in weight-loss trial
In surprising result, those who didn’t monitor steps lost more pounds
TECHNOLOGY FAIL In a two-year trial, people who wore activity monitors lost less weight than people who didn't wear the devices.
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Carefully counting steps, stairs and sprints might backfire for some people. At the end of a two-year weight-loss trial, people who used activity monitors had lost less weight than people without the device.