Spit on this stick to see how burned out you are

Stress can really take a toll on a person, often in ways we don’t immediately recognize. Swiss startup Nutrix AG is hoping a quick, at-home spit test can help, by giving people a better idea of how stressed out they really are and the tools to manage it. At CES 2025, Nutrix showed off its cortiSense device, which measures levels of cortisol in saliva and can be used to track how this changes over time. The startup is planning to launch it by the end of the year, and it’ll work with the gSense app and digital platform to offer things like personalized wellness coaching from a medical team.

It’s meant to be an easy and noninvasive way to identify and combat burnout. The part that’s a little sus, though? In a press release, Nutrix CEO Maria Hahn said the company is ...