This holiday season, many of us will be taking to the skies to visit family or escape to warmer climes. So we’re sharing a recent episode of our sister podcast, The Dose, which asks: “What do I need to know about in-flight medical emergencies?” Dr. Vincent Poirier, associate professor of emergency and aviation medicine at McGill University, senior medical advisor for Air Canada and medical consultant for Air Transat, explains what happens when a medical emergency occurs on board and how passengers can help prevent them.