For generations, Nordic cultures have embraced sauna and cold exposure as a way of life—building resilience, improving health, and extending vitality deep into old age. In Sauna Like A Viking, Erik Berggren combines ancient tradition with modern longevity science to show how heat, cold, movement, and recovery can dramatically improve the way you age. $2.99 on Kindle.
Sauna Like a Viking: In the Quest to LIVE to a Hundred
