Why do we have allergies?

Deep in the basement of the San Diego Natural History Museum, there are thousands of jars filled with preserved reptiles and amphibians. In this episode, But Why takes a tour with collections manager Adam Clause to answer your questions about lizards! How do lizards climb walls? ...  Show more

But Why turns ten years old on April 1, 2026! To celebrate this milestone, we’re listening back to our very first episode. We’ve got owls and turtles and bears. Naturalist Mary Holland gets into the details about hibernation–including the questions you may not even have thought t ...  Show more

These days it can feel like anyone can be allergic to anything– with sensitivities ranging from common allergies to certain foods and animals to more unusual things, like semen or the chemicals used to treat leather. But is that true–ARE we becoming more allergic to things? What ...  Show more

May is Food Allergy Awareness Month, and part of that is recognizing that even if you or a family member may not have a food allergy, someone you know may have food allergies. I welcome Ina Chung, a food allergy mom, educator, and author of A Kids Book about Food Allergies, who i ...  Show more

Have you ever hard of oral allergy syndrome? No? Well, you're not alone. My guest today will share some surprising facts about oral allergy syndrome, as well as cross-reactivity within allergies.

My guest today, Rakhi Roy Chowdhury, holds a Master’s in Dietetics &a ...

What are allergies and what is the purpose of them? What can we do to try and prevent them? And what are the best ways of accurately and safely diagnosing them?