11. What is an allergy?

As many of us know far too well, allergy season is upon us here in the Northern Hemisphere. But why do our bodies cause us such pain every spring? And why are people allergic to certain foods or animals?  --- Follow us on Twitter: https://twitter.com/AskPopSciPod Hosted by Claire Maldarelli: https://twitter.com/camaldarelli Produced by Jess Boddy: https://twitter.com/JessicaBoddy Music by Billy Cadden: https://open.spotify.com/artist/6LqT4DCuAXlBzX8XlNy4Wq Art by Katie Belloff: https://twitter.com/Katie_Bellz --- Support this podcast: https://anchor.fm/askusanythingbypopsci/support Learn more about your ad choices. Visit megaphone.fm/adchoices