Asthma Meds Now Target Inflammation to Bring Longer Relief; Do Obesity, Low Vitamin D Cause Asthma?

How have asthma inhalers changed as understanding of asthma has broadened? How could obesity, low Vitamin D, and other factors trigger asthma? Historically, asthma medication has targeted the tightening of the airways (or bronchial tubes) that accompanies an asthma attack. But according to pulmonologist Dr Edward Eden, this has...