Researchers at Cleveland Clinic put five popular wrist-worn fitness trackers to the test to find out how accurately they gauge heart rate across several types of exercise and intensity levels. World News: March 2017 – ...
Read More »Researchers at Cleveland Clinic put five popular wrist-worn fitness trackers to the test to find out how accurately they gauge heart rate across several types of exercise and intensity levels. World News: March 2017 – ...
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