Researchers are looking for participants to test whether frequent hot tub use could improve health
Researchers in Portsmouth are calling for local volunteers to test whether frequent hot tub use could improve health in older adults.
The new study at the University of Portsmouth will explore a relaxing alternative to traditional exercise for improving health in older adults - hot water immersion.
The study will investigate whether hot tub use might enhance cardiovascular, cognitive, and muscle function, providing potential benefits similar to those of exercise.
Researcher Daniel Piccolo, from the University’s School of Psychology, Sport and Health Sciences, said: “Frequent exercise is known to significantly improve health, but many people find it difficult to follow exercise routines.
“Growing evidence suggests that passive heating, such as hot water immersion or saunas, can offer similar benefits, thanks to a rapid rise in body temperature. However, most research to date has focused on younger people, leaving questions about its impact on older adults.
“This study aims to determine if similar health benefits can be achieved in individuals aged 55 and older.”
Growing evidence suggests that passive heating, such as hot water immersion or saunas, can offer similar benefits, thanks to a rapid rise in body temperature.
Participants will be asked to sit in a 40°C hot tub for 60 minutes, approximately three times per week, for a six-week period. Researchers will assess the effects of these sessions on various health markers, including cardiovascular function, cognitive abilities, muscle strength, balance, and walking capability.
Non-invasive tests and blood samples will also be taken to measure different biochemical markers related to health.
Mr Piccolo added: “Participants should be generally healthy, without major cardiovascular or metabolic conditions such as type 2 diabetes. By expanding our understanding of passive heating, this study could offer a feasible and enjoyable alternative to exercise for older adults.”
Eligibility Criteria
- Aged 55+
- Free from serious cardiovascular, metabolic, respiratory, or neurological conditions
- Non-smoker
- Body mass index (BMI) between 18-35 kg/m²
- Open to all genders, including University staff and the general public
If you are interested in participating or want to learn more, please contact PhD student Daniel Piccolo at daniel.piccolo@port.ac.uk. The study has received approval from the University of Portsmouth Ethics Committee, and all data will be treated with strict confidentiality.
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