Exhaled breath can provide a treasure trove of health information, offering a noninvasive window to both respiratory microenvironments and systemic physiological states. But collecting such data is a challenge. In 2024, Caltech's Wei Gao , professor of medical engineering, and members of his laboratory developed a prototype for a smart mask that uses clues from exhaled breath to monitor for a range of medical conditions, including respiratory ailments such as asthma and post-COVID-19 infections.

Tag-uri: Coronavirus