Exposure to cold helps reconfigure the cardiovascular system and combat autoimmune malfunctions. It is also a pretty darned good method for simply losing weight. These are all things that I’ve seen in myself and in hundreds of other people who have had the will to delve deeply into their own evolutionary physiologies. More profound than that, however, is the intrinsic understanding that humans are not just bodies bounded by the barrier of their skin; we are part of the environment that we inhabit.
