https://www.healthcentral.com/article/35-signs-you-have-severe-asthma
Asthma

35 Signs You Have Severe Asthma

    John Bottrell

    John Bottrell

    John Bottrell is a registered Respiratory Therapist. He wrote for HealthCentral as a health professional for Asthma and Chronic Obstructive Pulmonary Disease (COPD).