Could saunas and ice baths affect male fertility? Here’s what the evidence says

Katja Forster/Getty Images The internet’s obsession with “maxxing” has turned almost every aspect of self-improvement into a trend. Young men now swap tips on optimising everything from sleep and appearance to testosterone, longevity and mental performance. Male fertility has increasingly been drawn into that world, too. Social media is awash with advice ranging from sensible lifestyle changes to more questionable suggestions, such as icing the testicles, eating raw garlic and taking long…