Body heat is lost about 25 times faster in cold water than in cold air. From the moment you hit the water, the body begins to react in a fairly predictable way. Hypothermia is not the first step.
For more than 20 years, Diane was the health reporter on WCSH 6. Before that, a radiation therapist at Maine Medical Center and after, Manager of Marketing/PR at Mercy Hospital. Now she writes the award-winning blog Catching Health with Diane Atwood.