What does Stacy Sims say about infrared sauna vs Finnish saunas?
Sources:
prefers traditional Finnish saunas over infrared saunas for their effectiveness in deeply heating the core body temperature, which leads to better physiological adaptations. Infrared saunas, on the other hand, primarily heat the skin and do not reach the core to the same extent as Finnish saunas do. Therefore, for impactful heat exposure benefits, recommends using Finnish saunas 12.