Pharmacology can be a mystery, but clinical pharmacist Dr. Christina Madison is here to clear things up! In this WIRED video, she tackles the internet’s biggest questions—like why grapefruit messes with meds, how extended-release pills work, and why we still don’t have a cure for the common cold. Plus, she busts myths about expired meds, Tylenol safety, and melatonin dependency. If you’ve ever wondered how pharmacists keep us safe behind the counter, this one’s a must-watch!