Ahhh, spring. Can't you smell it in the air today? The sun is beaming, the temperature is rising, the snow is melting and it's easy to imagine crocuses and daffodils pushing their way up through the thawing soil.

Then, someone sneezes, reminding us that allergy season is just around the corner. Some are allergic to molds, which are abundant in damp, spring weather, and some are allergic to the various pollens that will begin flying through the air in just a few short weeks. Allergi...