Spit-sampling mouthguard can monitor dehydration, exhaustion and mental engagement

Spit-sampling mouthguard can monitor dehydration, exhaustion and mental engagementhttps://www.digitaltrends.com/cool-tech/xerox-parc-mouthguard-saliva/
https://www.worlds50.com/2018/06/spit-sampling-mouthguard-can-monitor.html