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- Deliberate heat exposure, such as through saunas, activates various mechanisms in the body that can improve health and well-being.
- Heating the body triggers a cardiovascular response, including increased heart rate, blood flow, and stroke volume.
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Heat and Health Benefits
Deliberate heat exposure, such as through saunas, activates various mechanisms in the body that can improve health and well-being. Regular sauna use has been shown to reduce cardiovascular mortality and improve overall risk prediction. Heating the body triggers a cardiovascular response, including increased heart rate, blood flow, and stroke volume. Heat exposure also affects hormone levels, such as reducing cortisol and activating heat shock proteins that protect proteins in the body. Activation of heat shock proteins prevents protein misfolding and repairs damaged DNA. Sauna use has also been linked to increased production of growth hormone and the activation of the FOXO3 gene, involved in DNA repair. Different sauna protocols and temperatures can yield specific health benefits. However, caution should be exercised to avoid hyperthermia.
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