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Wearable fitness device does not help maintain weight loss, study finds

BMJ 2016; 354 doi: (Published 26 September 2016) Cite this as: BMJ 2016;354:i5204
  1. Owen Dyer

Participants in a randomised weight loss study who used a wearable fitness device to monitor their physical activity lost less weight over two years than those who self monitored their diet and activity using a website, a US study published in JAMA has found.1

The study, led by University of Pittsburgh researchers, randomly assigned 470 overweight participants aged 18-35 with a body mass index of 25-40 either to wear a BodyMedia FIT Core armband device or to self report exercise and calorie intake.

Both arms of the study first underwent a …

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