Episode 23 - Case studies in cold physiology

This episode applies everything we’ve learned about cold physiology to real-world case studies, exploring how acute and chronic cold responses play out in practice. We discuss: Cold shock response during sudden immersion in icy water. Shivering thermogenesis in a stranded mountaineer. Chronic adaptations seen in Arctic Indigenous populations. Cold acclimatization in winter swimmers. Severe hypothermia management for a lost hiker.These cases illustrate how vasoconstriction, thermogenesis, metabolic shifts, and cold acclimatization all contribute to survival—or failure—when exposed to extreme cold.