The podcasters discussed ice baths or cold water exposure as a method to explore and manage one's stress response. The discussion highlights that while uncomfortable, cold exposure provides a safe way to practice frontal control over the limbic pathways, and explore the body's stress response.
"Deliberate cold exposure (like a cold shower) is mentioned as a readily available and nearly free tool to explore and practice managing the stress response. No cold plunges or specific brands are mentioned, just that it works for a negative cost to heating."