Scientists from Tufts University developed tiny sensors that attach to your teeth, and monitor your diet and health in real time.

The sensor, when communicating wirelessly with a mobile device, can transmit information on glucose, alcohol and salt intake. Researchers note that future adjustments of these sensors could make them detect and record a wide range of chemicals, nutrients, and physiological states.

Learn more at
https://www.wearable-technologies.com/2018/05/this-tiny-tooth-sensor-could-track-your-diet-and-health/