The Primary Citation
Frequency is the key variable: 4–7 Finnish-style sessions per week associates with ~40% lower all-cause mortality. Laukkanen et al. 2015 — JAMA Internal Medicine →
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Every study cited in the Longevity / Finnish Sauna Protocol overview — primary citation, supporting research, and the underlying evidence surface.
Frequency is the key variable: 4–7 Finnish-style sessions per week associates with ~40% lower all-cause mortality. Laukkanen et al. 2015 — JAMA Internal Medicine →
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