What Is a Spirometry Test?

A spirometry test measures how much air flows in and out of your lungs and can be used to confirm whether you have asthma or another disease.

By Deborah Kaplan

Interesting Asthma Facts You Should Know

In honor of asthma and allergy awareness month, here are 15 asthma facts I learned from the book 'Fatal Asthma.'

By John Bottrell