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The Brief
Published: 3 May 2018

Tooth-Mounted Diet Tracker

Extra
Tufts University, Massachusetts

Researchers at Tufts University in Massachusetts have developed a tooth-mounted sensor that tracks everything you eat from inside your mouth.

The wireless sensor monitors data on the amount of sugar, salt and alcohol consumed and how the body reacts to it, which is then transmitted to an app on the wearer's phone.

The sensor is made up of two layers of gold. Sandwiched in between are biosensors that can pick up on physiological cues such as PH and glucose levels, and other biomarkers found in saliva. The gold acts as an antenna to relay the information.

According to researcher and project leader Fiorenzo Omenetto, the sensor can be implemented both in a medical context and by conscientious consumers seeking to monitor their own health.

"Sampling and monitoring changes in the oral cavity could help in a number of ways – from monitoring dental health, to monitoring physiological states such as fatigue, through saliva sampling," said Omenetto. "Obviously, the latter applications require device refinements in terms of sensitivity and specificity."

This is the latest in a series of developments targeting an increasingly discerning consumer base hungry for ways to monitor and track their own wellbeing, and ensure they are eating in the most healthiest and hyper-personalised ways possible. See New Food Covetables for an in-depth look into this consumer shift.

See also Ingestible Gut-Health Sensors, Highlights: Food Loves Tech and Ultra-Thin Wearable Monitors Health for further examples.

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