Every day, thousands of people use fitness trackers and glucose monitors to better understand their health. The next wave of personal health tech might just focus on something we usually overlook: sweat. Dr. Sanjay Gupta sits down with Professor John Rogers, Director of Northwestern’s Querrey Simpson Institute for Bioelectronics, to explore the science of sweat and why it holds so much promise for the future of health monitoring Learn more about your ad choices. Visit podcastchoices.com/adchoices