Michael delves into the science of cold water immersion, revealing how just a little bit of physical stress might go a long way to improve your heart health, boost your mood and help keep colds and flu at bay. To find out more, he speaks to Professor Mike Tipton from Portsmouth University who’s been researching exactly what happens in your body when you’re doused with cold water, and why it might have a positive impact on your body and brain, with lasting effects.

Dr. Mike Tipton, an authority on exercise in extreme environments, discusses the causes and prevention of drowning in cold water, exercise in the cold, autonomic conflict during triathlons, and cold adaptations. He emphasizes the importance of translating research to the media and lifesaving organizations. Other topics explored include arm vs. leg exercise, physiological effects of cold water on muscles, and acclimation to cold.