UW CSE’s SpiroSmart is described in MIT Technology Review:
“Today, a deep sigh at your smartphone could reveal a well-developed emotional connection with your gadget. But one day those sighs could tip off your doctor to a latent or worsening lung condition.
“A group at the University of Washington, in collaboration with Seattle Children’s Hospital, is developing a way to check how healthy your lungs are when you breathe out at your smartphone.”