In many parts of the US, spring has arrived... blooming flowers and trees, greening grass, warmer weather, and balmy breezes. It's all good, right?

Well, maybe not all good. For those of us who have asthma that is triggered by pollen, spring often brings an increase in symptoms such as sneezing, wheezing, cough, and shortness of breath. Tree pollens are most common in the spring and early summer, followed by grass pollen through the summer. Then, come late summer/early fall, weed pollens...