// Conceptual Positions
Physiological Approach
3 topics
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Is Warming the Body Connected to Warming the Heart?
The warmth of the onsen directly improves mental state through improved circulation, muscle relaxation, and hormone secretion. Bodily changes cause mental changes; the connection is causal and scientific.
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What Changes in the Alternation Between Hot and Cold Water?
Hot-cold bathing activates vascular movement, improves circulation, and promotes activation of immune cells. Scientific data also confirms reduction in stress hormones and secretion of endorphins.
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What Changes Between Hot Springs on Cold Days and Hot Days
Analyzes the effect of outside temperature and body temperature balance on the autonomic nervous system and blood flow. Notes that the sympathetic nervous system tends to activate on cold days, while the parasympathetic tends to dominate on hot days.