The idea of voluntarily submerging yourself in near-freezing water would strike most people as a punishment rather than a treat. A growing number of Mississippians are paying to do exactly that, as cold plunge and contrast therapy spread from elite athletic training into ordinary gyms and wellness studios.

The practice, which alternates cold immersion with heat, is promoted for benefits ranging from faster muscle recovery to improved mood and mental clarity. The scientific evidence is mixed and still developing, a fact the more responsible operators acknowledge even as they install the tubs.

What is not in dispute is the intensity of the experience. Devotees describe the initial shock of the cold giving way to a distinctive, almost euphoric alertness, and many become evangelical about the ritual. The discomfort, they insist, is the point.

Whether the trend proves durable or fades like other wellness fads is impossible to say. But its arrival in Mississippi reflects the speed with which practices once confined to professional sports now reach the general public. The cold plunge has gone mainstream, one gasping convert at a time.