https://www.healthcentral.com/article/why-do-allergies-trigger-asthma-what-can-you-do
Asthma

Why Do Allergies Trigger Asthma? What Can You Do?

    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).