https://www.healthcentral.com/article/16-interesting-asthma-facts-you-should-know
AsthmaSymptoms

15 Interesting Asthma Facts You Should Know

Asthma facts on tablets with stethoscope.
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    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).