The Primary Citation
Regular sauna use 4×/week at ~80°C for 20 minutes reduces cardiovascular mortality by ~40% over a 20-year follow-up cohort. Laukkanen et al. 2015 — JAMA Internal Medicine →
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Every study cited in the Cardiovascular Sauna Protocol overview — primary citation, supporting research, and the underlying evidence surface.
Regular sauna use 4×/week at ~80°C for 20 minutes reduces cardiovascular mortality by ~40% over a 20-year follow-up cohort. Laukkanen et al. 2015 — JAMA Internal Medicine →
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