(HealthDay News) -- A lung function test measures how well your lungs are working, helping your doctor diagnose the cause and severity of any problems with your breathing.
The U.S. National Heart Lung and Blood Institute says the test is designed to show:
Experimental Nasal Spray Might Ward Off Multiple Viruses
FDA Proposes Ban on a 'Useless' Decongestant, Phenylephrine
Sleepy Nurses Vulnerable To Common Cold, Other Infectious Diseases
