Cold plunges are all the rage right now. The hashtag #coldplunge on TikTok has over 1.1 billion views, and features thousands of videos of people shivering and gasping through a soak in frigid water.

You know the type—or maybe you are the type. The person bundled in layers while everyone else looks comfortable, the one always asking to adjust the thermostat, the notorious office sweater collector.

Cold water therapy is not new, but it is all the rage right now, especially cold plunges and soaks. On TikTok, the hashtag #coldplunge on TikTok has over a billion views and features countless videos ...