Rheumatoid arthritis, lupus, and Crohn’s disease are autoimmune diseases that share a lot of commonalities. This episode covers when and how they were first recognized and described.
Research:

Unearthed! In July 2026, Part 1
41:36

SYMHC Classics: Raincoats
39:10

Behind the Scenes Minis: Shoes, Shoes, Shoes!
30:14