Those polar plunge nuts—you know, the people who strip to their skivvies in February and jump into freezing water—might be on to something.

According to doctors from the United Kingdom, a 28-year-old man who had been complaining of persistent, post-operative pain was cured after jumping into incredibly cold water for a vigorous 60-second, intense swim. Roughly two months prior to his swim, the man had undergone an endoscopic thoracic sympathectomy procedure to treat his severe facial blus