: Try turning your shower to its coldest setting for the last 30 seconds.
: Scientists in the episode explain that these "shocks" force the body to deconstruct damaged cells and upgrade its natural defenses against diseases like Alzheimer's. Limitless with Chris Hemsworth S01E02 Shock.mp4
Are you interested in learning more about the Chris used to survive the Arctic water? Recap: Limitless With Chris Hemsworth: Episode 2 "Shock" : Try turning your shower to its coldest
: Frequent sauna use is linked to improved cardiovascular health and reduced disease risks. Limitless with Chris Hemsworth S01E02 Shock.mp4
If you're inspired by Chris's journey, experts in the series suggest starting small to reap similar benefits:
: Chris attempts a grueling 250-yard swim in 37-degree water, facing the dangerous "gasp reflex" and a loss of motor control.