Sweat can be as helpful as blood in checking on health. Doctors already use it for drug tests and insights on diseases like cystic fibrosis. But sweat has its limits – largely because there’s only so ...

From glucose tracking to toxin exposure detection, scientists show how sweat could rival blood as a diagnostic resource, if technology and standardization advance fast enough. Study: Sweat as a ...

For decades, sweat has been hiding in plain sight. While blood and urine became the foundation of diagnostics, eccrine sweat—continuously produced through our skin pores and rich in physiological ...