Every breath tells a story for asthma patients
Asthma
Credit: WFAA
Asthma patient Robert Leavitt uses a new device that measures fractional exhaled nitric oxide to measure airway inflammation, the major cause of his lung disorder.
Credit: WFAA
Asthma patient Robert Leavitt uses a new device that measures fractional exhaled nitric oxide to measure airway inflammation, the major cause of his lung disorder.
