If the post-workout recovery of footballer Cristiano Ronaldo and Olympian Mo Farrah are anything to go by, chilling out after a hard session at the gym just took on a whole new meaning. We are talking, of course, about cryotherapy, the new health craze that champions exposure to extreme cold for short periods to treat and prevent muscle soreness, boost skin collagen and even burn calories.

Originally developed in Japan, cryotherapy treatments have been growing in popularity in Europe and the United States for the last decade, and makes its way to the City in the form of LondonCryo, the Square Mile’s first full-body cryotherapy facility.