Story perspectives

Experts Warn: Sauna and Cold Plunge Benefits Uncertain

12/30/2025

Summary

Story summary

Experts caution that evidence for the health benefits of saunas and cold plunges is limited.
Dr. Heather Massey of the University of Portsmouth says the body maintains stable core temperatures and extreme exposure may trigger adaptive responses.
Saunas provide temporary relief from aches, but long-term benefits remain unproven.
Cold-water swimming has uncertain benefits and may reflect social interaction.
Dr. Massey advises gradual exposure and consulting a GP for health concerns.

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Story summary

Experts caution that evidence for the health benefits of saunas and cold plunges is limited.
Dr. Heather Massey of the University of Portsmouth says the body maintains stable core temperatures and extreme exposure may trigger adaptive responses.
Saunas provide temporary relief from aches, but long-term benefits remain unproven.
Cold-water swimming has uncertain benefits and may reflect social interaction.
Dr. Massey advises gradual exposure and consulting a GP for health concerns.