Katie Wu, an allergy expert and cat enthusiast, shares her unique journey from severe cat allergies to owning two beloved cats, Calvin and Hobbes. She delves into the intriguing nature of allergies, discussing how immune responses can unexpectedly shift. Listeners learn about the biology behind allergies, myths versus realities, and the importance of pets for well-being. With adorable cat anecdotes and insights into the immune system, Katie’s story highlights resilience and the joy of embracing unexpected changes.