It’s April and the outdoors is calling. Gardening, hiking, evening walks, spending time with family and friends… But it’s hard to watch a sunset through watery eyes, and it’s hard to talk to loved ones when you’re sneezing your heart out—and unfortunately, it’s also allergy season.

An “allergy” develops when a person’s immune system overreacts to substances that generally do not affect other people. Almost anything can cause an allergy—latex, bee stings, specific medicines—and common types of outdoor allergens include tree, grass and weed pollens, as well as mold found in soil, plants and rotting wood.

Take this quiz and find out what you know (or don’t know!) about allergies:

[wp_quiz id=”2486″]

Gallagher Wellbeing Newsletter, reprinted with permission