Outdoor water temperatures from Autumn to late Spring are fairly cold in the UK. Some of you may be considering trying cold water immersion, some of you may have been swimming or dipping throughout the winter, and some of you may be planning on venturing back into the open water soon, but do you actually know what happens to your body when you enter cold water? Having this awareness, especially for new open water swimmers/cold water dippers, should make it a safer and more re