Longevity
Cold Therapy and Longevity
Hormesis, mitochondrial biogenesis and the emerging science of stress that extends healthspan.
Author
Dr. Ingrid Halvorsen
Physiology Advisor
Published
February 2026
Reading
10 min read
Longevity is no longer a fringe conversation. It is a category of medicine, and cold exposure sits comfortably inside its evidence-based toolkit.
Hormesis
A brief, controlled stressor triggers an adaptive response that leaves the system stronger. Cold, heat, fasting and exercise all share this shape.
“A brief, controlled stressor leaves the system stronger. Cold, heat, fasting and exercise all share this shape.”
Mitochondrial signalling
Cold exposure appears to upregulate mitochondrial biogenesis pathways, a mechanism of interest for cellular energy and healthspan.
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