Bio: Breathing & Breath Holding with Stig Severinsen, PhD Medicine & Explorer🐬💫 4x Freediving World Champ🥇🥇🥇🥇

Bio: Helping people build better saunas in the US 🇺🇸 Founder of thesaunaheater.com / Founder of The Sauna Society / Finnish Sauna Expert 🔥