Deborah Kaplan,

Vitamin D May Cut Asthma Attacks

High-quality evidence suggests that taking vitamin D along with standard asthma medication can reduce the number of severe asthma exacerbations.
Deborah Kaplan

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.
Deborah Kaplan