From cold showers to ice baths to cryotherapy, the benefits of the cold have been proven time and time again. The latest trend? Taking a polar plunge! But before you get discouraged by the idea of braving the chilly water, the best cold plunge tubs could do a lot more for your health than you think.

A cold plunge, also known as cold water immersion, is exactly what it sounds like: A brief dip into an ice bath. But unlike the long, relaxing baths you take for self-care purposes, cold plunges are quick, therapeutic dips in ice water, per Cleveland Clinic.

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