"limitless" Shock(2022) Apr 2026

: The episode also covers the benefits of regular sauna use , which experts suggest can significantly lower the risk of cardiovascular disease.

: Chris Hemsworth travels to the Arctic to perform a swim in 36-degree Fahrenheit (2°C) water. "Limitless" Shock(2022)

: Chris is joined by his brothers, Liam and Luke Hemsworth , who participate in the cold-water challenges and provide comedic relief. : The episode also covers the benefits of

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

: 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

: Brief, intense stress from temperature (hormesis) forces the body to upgrade its repair systems and clear out damaged cells.

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