Hot Tubs Beat Saunas for Circulation & Immune Health, Study Finds
July 22, 2025
Hot tubs may be more than just a luxury. A new study from the University of Oregon’s Bowerman Sports Science Center found that soaking in hot water outperforms both traditional dry saunas and far-infrared saunas in raising core body temperature and triggering positive physiological effects.
Researchers say that temperature boost leads to greater increases in blood flow, improved vascular function and even an enhanced immune response, offering potential health benefits for those unable or unwilling to exercise. Athletech News
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