Your breath could hold clues to your health, researchers say — and they have developed a "smart mask" to tap into them.
Wei Gao, professor of medical engineering at the California Institute of Technology (Caltech) in Pasadena, led the team that created the EBCare, a mask that analyzes the chemicals in someone’s breath to detect any existing health issues.
The mask is designed to screen for medical conditions like respiratory infections, COPD (chronic obstructive pulmonary disease)...