Alzheimer's and Sauna Use: What to Know

Key Takeaways

·        Multiple large studies indicate frequent sauna use (including both traditional and infrared types) is associated with a significantly reduced risk of Alzheimer’s and other forms of dementia.

·        Potential mechanisms include improved cardiovascular health, better cerebral blood flow, decreased inflammation, and reduced stress; all tied to cognitive protection and wellness.

·        Infrared sauna health benefits may be especially valuable, with some research showing improved cognitive performance and increased blood flow in individuals with mild cognitive impairment.

·        Heat shock proteins produced during sauna exposure may help protect brain cells and support cellular repair, offering neuroprotective effects.

·        Sauna therapy should be seen as a complement to, not a replacement for, healthy lifestyle habits like regular exercise, balanced diet, and mental engagement; always consult your healthcare provider before starting new wellness routines.

Alzheimer's disease is a progressive neurological disorder that affects cognitive function and memory. It is the most common cause of dementia and currently has no cure. However, research has suggested that sauna use, including both traditional and indoor or outdoor infrared saunas, may help to prevent or delay the onset of Alzheimer's disease.

One study published in the journal Age and Ageing examined the relationship between sauna use and dementia risk in a cohort of over 2,000 middle-aged Finnish men over a 20-year period.

The study found that frequent sauna use was associated with a reduced risk of dementia, including Alzheimer's disease. The researchers hypothesized that this may be due to the beneficial effects of sauna use on cardiovascular health and cerebral blood flow.

Another study published in the journal JAMA Internal Medicine examined the association between sauna use and the risk of Alzheimer's disease and other forms of dementia in over 2,300 Finnish adults aged 65-79 years old.

The study found that frequent sauna use was associated with a reduced risk of dementia, including Alzheimer's disease. The researchers suggested that this may be due to the beneficial effects of sauna use on cardiovascular health, inflammation, and stress reduction.

In addition to traditional saunas, full-spectrum infrared sauna for sale units have also been studied for their potential benefits in preventing or delaying Alzheimer's disease. Infrared saunas use infrared radiation to heat the body directly, rather than heating the air like traditional saunas.

Learn more about infrared sauna health benefits: Top 8 benefits of an infrared sauna

One study published in the Journal of Alzheimer's Disease examined the effects of infrared sauna therapy on cognitive function and cerebral blood flow in patients with mild cognitive impairment (MCI), which is often a precursor to Alzheimer's disease. The study found that infrared sauna therapy improved cognitive function and increased cerebral blood flow, suggesting a potential role in prevention.

While the exact mechanisms aren't fully understood, some researchers have suggested sauna benefits may be related to the activation of heat shock proteins (HSPs). HSPs are a group of proteins produced by cells in response to heat stress and play a role in protecting and repairing cells. One study published in Brain Research Bulletin suggested beneficial effects may be related to HSP activation in the brain.

Learn more about home sauna wellness and mental health:  Red light therapy for depression

It is important to note that while sauna use may have potential benefits in preventing or delaying Alzheimer's disease, more research is needed to fully understand the mechanisms involved and to determine the optimal frequency and duration of sauna use for these purposes.

In conclusion, regular use of a luxury home sauna or infrared sauna may have benefits in preventing or delaying Alzheimer's disease. The mechanisms may be related to improved cardiovascular health, stress reduction, and lower inflammation.

See: The best home sauna brands 2025

It is also important to note that sauna use is an adjunct to, not a replacement for, other preventative measures such as healthy lifestyle habits, regular exercise, and a balanced diet.

In addition to Alzheimer's prevention, home sauna installation can potentially improve overall brain function and cognitive performance. One study published in the International Journal of Hyperthermia examined healthy older adults and found regular sauna use was associated with improved cognitive function, including memory, attention, and executive function.

Another study published in the Journal of Human Kinetics found that sauna use was associated with improved cognitive performance and a perceived improvement in mental state, including reductions in anxiety and fatigue, especially when the environment is comfortable and enhanced with quality sauna accessories.

Overall, sauna use may have potential benefits for both physical and mental health. While further research is still needed, studies suggest sauna use may help prevent or delay dementia, improve cardiovascular health, reduce inflammation, and support cognitive function. As with any health regimen, especially if you have underlying conditions, always consult your medical provider first.

Sun Home Saunas sells the world's leading at-home saunas, including infrared saunas, traditional saunas, and infrared sauna blankets.

Reach out today and find out more from our sauna experts.

FAQs

How strong is the evidence for sauna use lowering Alzheimer’s disease risk?
Observational studies show frequent users have up to 60–65% reduced risk, especially in Finnish populations, but further research is needed to confirm causality.

Do infrared saunas offer unique cognitive benefits over traditional saunas?
Evidence suggests infrared saunas can enhance cerebral blood flow and cognitive function, especially for those at risk of cognitive decline or with mild impairment.

Can sauna sessions help current Alzheimer’s patients or just prevent onset?
Most studies focus on prevention and early intervention; no cure is claimed, but regular saunas may help support brain function in high-risk individuals.

How often should I use a sauna for brain health?
Most studies support benefit from 2–4 sessions per week; always start slow and speak to your physician if you have health concerns.

Are there risks for older adults or people with memory issues?
Saunas are generally safe for most, but underlying health conditions may increase risks. Ensure good hydration, avoid overheating, and listen to your body for best results.