Tooth-Mounted Food Tracker Could Be the Next Fitness Accessory

Fitbit and similar devices track how much you move -- but what if you could wear something that tracked what you ate? It's not far off.  Researchers at Tufts University are experimenting with tooth-mounted sensors (think tiny microchips) that will be able to track the food and calories you consume. 

Chris Carmichael

Chris Carmichael

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