It's So Cold, You Might Be Allergic to It

On a freezing morning in January, my boyfriend had just emerged from the icy waters of Lake Michigan along with hundreds of others who had just participated in the annual Polar Plunge. He was frozen to the bone, but so was everyone else. There was, however, something distinct about my boyfriend’s experience — the extreme cold triggered a new, mysterious allergy that would linger for years.That summer, he took a dive into a cool lake for a swim. Afterwards, he began to break out into