Asthma has a long history of evolution before it was categorically defined. The earliest mention of respiratory distress and wheezing (the occurrence of a whistling sound while breathing) has been ...

For a long time, doctors thought of asthma as just one disease. But they now realize there’s more to the story. They’ve started to think of asthma like a collection of conditions, with differences ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

Asthma is a chronic disease of the airways with links to the immune system. Inflammation occurs in the airways that lead to the lungs, known as bronchial tubes, causing blockage and breathing ...