Ice baths are now the coolest must-have in the boardroom Porsches, private jets, a phalanx of personal assistants, seafood kitchens and even personal advisers on acquiring fine art – they are all among the status symbols flaunted by chief executives.
The craze for cold water includes freezing showers and ice baths, where users dip into a low-temperature, sauna-style box or inflatable pod for a few minutes.
Celebrity fans of 'cold water immersion' – the fancy term for dunking yourself in freezing water – include pop stars Lady Gaga and Madonna.
Brewdog founder James Watt, who has an ice bath on the balcony of his luxury London apartment, claims it is the 'single most important thing' he does for his health.
But having a cold water tub in your penthouse or mansion in which to plonk your shivering self is, believe it or not, a badge of prestige.