Stress can really take a toll on your body and mind, often in ways you may not immediately realize. Swiss startup Nutrix AG is hoping a quick, at-home spit test can help by giving users a better idea of how stressed out they really are — and tools to manage it. <br /> At CES 2025, Nutrix showed off its cortiSense device that’s designed to measure levels of cortisol in saliva and can be u [...]