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Longevity Channel · 32 min
Heat and Cold: The 5th Pillar to Live Long and Well
Thermal stress—both heat and cold—as the fifth pillar of longevity alongside nutrition, movement, sleep, and social connection.
Key Insights
Hormesis through temperature exposure activates longevity pathways
Sauna (discussed further here) + cold plunge combination produces synergistic benefits
Cardiovascular adaptation from repeated thermal stress
Integrated into lifestyle, not isolated intervention
"The body adapts to what you consistently demand of it—controlled stress builds resilience when applied deliberately."
— Longevity Channel
contrast therapy
recovery
hormesis