It starts with a tickle in the throat, and before you know it, you’re sneezing constantly, your eyes are streaming, and you're completely exhausted. Welcome to peak hayfever season. If you feel like your usual over-the-counter allergy pill isn’t touching the sides this year, you aren't alone. In our latest episode, Dr. Geoff Hamp and Dr. Sam McGinley look at the science behind allergic rhinitis (the medical name for hayfever).