How Did We Evolve a Sense of Smell?

Have you ever stopped mid-task from catching a whiff of your own odor? It really gets you thinking— why DO we smell in the first place? In this episode, Dr. Tina Lasisi walks us through how our brain processes smell; why we associate smells with certain memories; why we developed our sense of smell in the first place; and how losing our sense of smell can impact our daily life.