Saunas and cold plunge pools are appearing in locations across the UK, from beaches to city farms and parks. Enthusiasts claim benefits for mental and physical health, but the scientific evidence is examined in a podcast episode.
Podcast looks at the science
In the episode from April, Madeleine Finlay speaks with Ian Sample and Dr Heather Massey, associate professor at the University of Portsmouth's extreme environments laboratory, about the research behind sauna and cold water immersion. The episode is available from the Guardian's science podcast.
