Shock(2022) - "limitless"

The episode explores how extreme temperatures—both freezing cold and intense heat—can trigger "survival" mechanisms in the body that promote longevity.

: The episode also covers the benefits of regular sauna use , which experts suggest can significantly lower the risk of cardiovascular disease. "Limitless" Shock(2022)

: Chris swims through icy waters without a wetsuit, guided by extreme athlete Ross Edgley . a longevity specialist

: Dr. Peter Attia , a longevity specialist, explains the biological "shock" and how it helps future-proof the body. 💡 Health Takeaways Immune Boost Cold exposure can increase white blood cell counts. Cellular Repair "Limitless" Shock(2022)

Extreme heat (sauna) triggers "heat shock proteins" that fix damaged proteins.

: Chris Hemsworth travels to the Arctic to perform a swim in 36-degree Fahrenheit (2°C) water.