Sauna
Finnish cardiovascular cohort data, infrared vs traditional, frequency and duration evidence.
If you only read one
Sauna safety: contraindications, interactions, and the alcohol problem
Sauna is generally safe for healthy adults but has real contraindications, medication interactions, and one big behavioural risk. A detailed safety overview for anyone considering regular sauna use.
Grade A · 3 min read · Last reviewed 2026-05-19
Finnish sauna and cardiovascular health: what the cohort data shows
Evidence BThe KIHD cohort study has tracked Finnish men's sauna habits and cardiovascular outcomes for decades. A careful look at what the data does and doesn't establish.
2 min read · Last reviewed 2026-05-17
Sauna frequency and duration: what dose the evidence supports
Evidence BHow often and how long is enough to get the documented sauna benefits? A practical look at the dose-response in the published literature.
3 min read · Last reviewed 2026-05-17
Infrared vs traditional sauna: the practical differences
Evidence CInfrared and traditional saunas heat the body differently. What that means for cardiovascular load, sweating, and whether the published research transfers between them.
3 min read · Last reviewed 2026-05-17
Sauna and immune function: what the frequency-vs-infection data shows
Evidence CRegular sauna use is associated with reduced respiratory infection rates in Finnish cohort data. What the trials and observational studies actually show on immunity, and where the claims overshoot.
3 min read · Last reviewed 2026-05-19
Sauna safety: contraindications, interactions, and the alcohol problem
Evidence ASauna is generally safe for healthy adults but has real contraindications, medication interactions, and one big behavioural risk. A detailed safety overview for anyone considering regular sauna use.
3 min read · Last reviewed 2026-05-19
Steam room vs sauna: physiological differences and what evidence transfers
Evidence CSteam rooms and traditional saunas produce different physiological responses despite feeling similar. What the heat-and-humidity research shows, where the cardiovascular evidence transfers, and what each is good for.
3 min read · Last reviewed 2026-05-19
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