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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