Ask a question here Natalie Hood continues her conversation with Dewey Case of the Council for the Model Aquatic Health Code, separating cold-plunge science from wellness-industry hype. Cold plunges may be popular, but cold water changes chemical reaction rates, sanitizer performance, testing accuracy, and the body’s physiological response. Being young, athletic, or highly experienced around water does not make anyone immune to blood-sugar crashes, loss of consciousness, drowning, or other em...