Today, patients with chronic lung conditions such as cystic fibrosis or asthma can't easily monitor how their airways are doing. Instead, they have to go to the doctor's office and blow into a special device called a spirometer as hard and fast as they can.
So for the past two-plus years, grad students at the University of Washington in Seattle have been working to develop an app that can measure lung function just as accurately but without the need for additional hardware. (Existing apps either require hardware or are for entertainment purposes only.)
In other words, they've been trying to turn a smartphone into a spirometer.… Read more