SpiroCall spirometer

Sensing tool could measure your lung function over phone call

Called SpiroCall, it targets people who have asthma, cystic fibrosis, or other lung disease, and have no way to measure how well their lungs are functioning.
ApneaApp

University of Washington unveils an app that detects sleep apnea

Instead of using expensive equipment, ApneaApp relies on inaudible sound waves emanating from the phone's speakers to track breathing patterns.