Elite athletes love their ice baths, or "cold plunges." After sweating it out on the court or on the pitch, you plunge into a tub of freezing cold water, and optionally, snap a photo of yourself to signal that you belong to a higher echelon of physical specimen. Lately, the practice has gained popularity in wellness and bodybuilding circles, too. But influencer gym bros especially. You know the type: selling you branded protein powders, a program for "INSANE" gainz, and form-fitting Gymshark tees. But a new study, published in the journal Medicine & Science in Sports and & Exercise, throws […]