Earwax might seem gross, but it’s actually one of your body’s built-in defense systems. This week, Hari and Dr. Priyanka dive into the sticky science of cerumen: why your ears make it, why Q-tips feel so good, and why doctors desperately want you to stop using them. From impacted wax and hearing loss to ear candling and the surprising genetics behind body odor, this episode explores the strange world living inside your ears.