Do you have allergies or know someone with allergies? Allergies are an increasingly prevalent problem, but you might not understand them as well as you should. Let's take a look at how seriously we take allergies and why they matter and mean more than you may think. Aishani Aatresh This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at www.ted.com/tedx