Although there are now many skin-worn sensors which identify metabolites in sweat, the tech is limited in what it can detect, plus the sensors often aren't reusable. A new one, however, utilizes a "molecularly imprinted polymer" to be more useful.| New Atlas
If you're gonna be inserting an object into one of your bodily orifices anyways, why not have it check up on you while it's in there? That's exactly what the OpenEarable 2.0 earphones do, using integrated sensors to measure over 30 physiological parameters.| New Atlas