If you listen to Dr Rhonda Patrick, and/or Joe Rogan, you’ll no doubt have heard about the benefits of saunas and heat shock proteins. An arguably, more pleasant alternative/or addition to the Wim Hof cold immersion technique! Here’s an infographic about infrared saunas:   http://uk-saunas.co.uk/wp/index.php/2016/05/03/infrared-saunas/