health

'It all feels very natural': Britain’s sauna boom heats up as people seek warmth of human connection

Evidence suggests saunas can boost heart health, but their real power may lie in bringing people together in an increasingly digital world

'It all feels very natural': Britain’s sauna boom heats up as people seek warmth of human connection

TL;DR

  • Saunas are rapidly increasing in popularity across Britain, with the British Sauna Society noting a rise in listed saunas.
  • The UK is predicted to become the world's largest sauna market by 2033.
  • Sauna use is linked to substantial cardiovascular benefits, including reduced risk of cardiovascular outcomes and lower systolic blood pressure.
  • The mechanisms behind sauna benefits are thought to involve controlled heat stress, triggering responses similar to moderate exercise.
  • While sweating can eliminate trace amounts of substances, there's no strong evidence that saunas 'detoxify' the body.
  • A significant aspect of sauna benefits may stem from the sense of connection and shared ritual experienced within a sauna community.
  • Saunas can foster strong social bonds through shared ritual, physical intensity, and vulnerability.
  • Potential physiological risks exist, particularly when combining saunas with cold-water immersion, due to fluid loss and blood pressure changes.
  • Individuals with pre-existing cardiovascular disease should consult a doctor before using saunas or ice baths.
  • Optimal benefits are suggested with 3-7 sessions per week, each lasting 15-20 minutes.