You may think your smart watch or activity tracker can help you keep tabs on your health, but don’t be shocked if your doctor is more skeptical.
Wearable producers such as Apple, Fitbit, and Pebble will ship more than 76 million of the devices by the end of the year, according to market research firm IDC. Some doctors and researchers, however, remain unimpressed, They question the value of the particular metrics tracked, as well as the validity of the deluge of data these gadgets produce.
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