Episode 50! Swimmer's ear (acute otitis externa) is an outer ear infection that many swimmers will have had at some point in their lives. However, it turns out that you don't have to go swimming to get swimmer's ear. Thomas Schrepfer is assistant professor of head and neck surgery in the University of Florida Department of Otolayrngology, and a keen diver and swimmer.

Songs in this episode - all licensed under a Creative Commons License:

• A short earache - Mooge

Photo by Franco Antonio Giovanella on Unsplash.