Tim Ferriss catches up with his friend and they discuss their mutual love of saunas and dogs.
The speaker shares a personal experience of buying and dumping bags of ice into his bathtub to practice breath-hold work and highlights the risks of practicing such techniques near or in water without qualified supervision, citing an incident where a friend suffered a shallow water blackout.
Incorporating cold showers into a daily routine has been shown to increase mood and reduce stress. This is due to a combination of breath work and cold exposure.