Longitudinal associations of sauna bathing with inflammation and oxidative stress: The KIHD prospective cohort study
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CitationKunutsor, Setor K. Laukkanen, Tanjaniina. Laukkanen, Jari A. (2018). Longitudinal associations of sauna bathing with inflammation and oxidative stress: The KIHD prospective cohort study. Annals of Medicine, 50 (5) , 437-442. 10.1080/07853890.2018.1489143.
Purpose: We sought to determine cross-sectional and longitudinal associations of frequency of sauna bathing with high sensitivity C-reactive protein (hsCRP), fibrinogen, leucocyte count and gamma-glutamyltransferase (GGT).
Design: Baseline sauna bathing habits were assessed in 2269 men aged 42–61 years. Concentrations of hsCRP, fibrinogen, leucocyte count, and GGT were determined at baseline and 11 years later. The associations of sauna bathing frequency with baseline and 11-year hsCRP, fibrinogen, leucocyte count, and GGT levels were examined using robust multivariate regression analyses.
Results: In baseline analysis, 4–7 sauna sessions/week (compared with 1 sauna session/week) was associated with −0.84 mg/l (95% CI, −1.55, −0.14; p = .019) lower hsCRP; −0.07 g/l (95% CI, −0.15, 0.02; p = .112) lower fibrinogen; and −0.28 × 109/l (95% CI, −0.51, −0.06; p = .015) lower leucocyte count, after multivariable adjustment. In longitudinal analysis, the corresponding estimates were −1.66 mg/l (95% CI, −3.13, −0.19; p = .027); −0.16 g/l (95% CI, −0.31, −0.02; p = .031); and −0.49 × 109/l (95% CI, −0.85, −0.14; p = .007) respectively. Sauna bathing frequency was not associated with GGT at baseline and 11 years.
Conclusion: Observational evidence supports the hypothesis that reduction in inflammation may be one of the pathways linking frequent sauna bathing with decreased risk of acute and chronic disease conditions.
Subjectssauna bathing inflammation oxidative stress cohort study
Link to the original itemhttp://dx.doi.org/10.1080/07853890.2018.1489143
PublisherInforma UK Limited
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