Discover Why Hot Tubs Could Be Your Healthiest Choice Over Saunas

Hot tubs and saunas both help relax muscles and provide warmth, but recent research suggests hot tubs may have extra health perks. A study from the University of Oregon examined how soaking in a hot tub compares to traditional dry heat saunas and modern far-infrared saunas.

By raising core body temperature, hot tubs can lower blood pressure, boost the immune system, and improve how the body deals with heat over time. Interestingly, these benefits can linger even after you leave the water.

Jessica Atencio, the study’s lead author and a doctoral student, emphasized the novelty of this research. “No studies have compared the acute responses between the three,” she noted.

Published in the American Journal of Physiology, the study monitored various health markers like heart rate, blood pressure, and immune responses in 20 participants aged 20 to 28 who exercised regularly. This helped the researchers focus on healthy, active individuals.

“Hot water immersion was the most impactful in increasing core body temperature. Higher body temperature boosts blood flow, which is great for vascular health,” 

Jessica Atencio

<pThe researchers found that only hot tubs triggered an inflammatory response measured by immune signaling molecules, indicating a more significant effect than saunas. Atencio explained, “Being submerged in water means less efficient cooling than sweating, leading to a more notable increase in body temperature.”

Dr. Christopher Minson, who leads the study, has spent over 20 years researching heat therapies. He believes these treatments can improve health if done in moderation. “Heat therapy can be a peaceful experience,” he said, suggesting that for those who struggle to exercise, hot tubs may serve as an appealing alternative.

People often blend heat therapy with exercise for added benefits. While regular exercise is crucial for health, Minson remarked, “Some may find heat therapy a good addition, especially if they can’t or won’t work out.”

Recent surveys show many people are gravitating towards wellness practices like heat therapy. According to a 2022 report, 50% of adults in the U.S. have incorporated some form of wellness activity into their routine, with hot springs and saunas gaining popularity for their relaxation and potential health benefits.

For those considering heat therapy, consultation with a physician is wise. Safety is key, whether it’s heat therapy or exercise. Overall, combining these practices could enhance physical and mental well-being.

For more information on heat therapy, you can view the research published in the American Journal of Physiology at [doi.org](https://doi.org/10.1152/ajpregu.00012.2025).

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Blood, Blood Pressure, Cell, Exercise, Heart, heat, Immune System, Physiology, Research, Stress