Steam Room Health Benefits

Steam rooms may offer advantages, such as lowering systemic inflammation. Yet, prolonged exposure can introduce risks, particularly if you have certain medical conditions.

Soaking in heat is an age-old tradition practiced across cultures for centuries — from Russian banyas and American Indian sweat lodges to Finnish saunas.

Short bouts of heat immersion, like those in steam rooms, might provide several health perks.

What are the health benefits of steam rooms?

A 2018 review of sauna research indicates that scientific proof for how heat affects health is sometimes incomplete and inconsistent.

Steam rooms, often called wet saunas, maintain very high humidity levels, typically between 95% and 100%. That moisture is central to their distinct effects, but direct research on humid heat is limited.

Most published studies concentrate on dry saunas, which usually have 5% to 10% humidity.

Nevertheless, wet and dry saunas are believed to produce similar outcomes, including:

Clears congestion

Relieving congestion is perhaps the benefit most commonly linked to steam rooms. Anecdotal reports attribute steam to easing:

• nasal stuffiness
• headache
• throat soreness
• cough

Steam rooms create a warm, moist environment that soothes mucous membranes and encourages deeper breathing. Using one can temporarily loosen mucus in the sinuses and lungs.

However, clinical research on steam inhalation is mixed.

One study showed that hot, humid air may aid mucus clearance and that inhaling steam could enhance this effect. Research from 2015 suggests that adding essential oils — particularly peppermint — to steam vapor might help relieve sinus and chest congestion.

Also, a 2022 study reported that steam inhalation, especially when combined with yoga poses, can improve chronic sinusitis by aiding sinus drainage.

Conversely, a review of six clinical trials on steam therapy for the common cold produced inconclusive results: some participants experienced symptom relief while others reported nasal discomfort from steam inhalation.

A clinical trial evaluating steam inhalation for chronic sinus issues found significant improvement only for headaches, not for most other sinus complaints.

Overall, steam may offer temporary congestion relief, but it is not a proven clinical cure.

Reduces inflammation

While steam rooms aren’t a treatment for severe illnesses, researchers commonly agree that heat therapies can help lower systemic inflammation.

This matters because inflammation is associated with many conditions, such as:

• stroke
• respiratory illness
• cardiovascular disease
• cancer
• obesity
• diabetes

One study found that frequent sauna bathing reduced levels of C-reactive protein (CRP), a primary blood marker of systemic inflammation.

Although that study focused on sauna heat rather than steam, steam sessions may offer comparable benefits because both rely on thermal therapy. Researchers note more work is needed to define the exact relationship between heat bathing and inflammation.

Another study proposed that lowered inflammation could explain why frequent sauna use is linked to lower risk of various short- and long-term diseases, while calling for additional research and cautioning that long-term sauna effects remain unclear.

A separate paper suggested that activities which temporarily raise body temperature and reduce inflammation might particularly benefit people who cannot exercise regularly due to physical or cognitive limitations.

Improves circulation

An older small study from 2012 involving older adults reported that moist heat improved blood flow, especially in the lower legs. That study used a heat pack applied close to the skin rather than a steam room.

Improved circulation can help lower blood pressure, support heart health, and promote skin tissue repair — an important benefit for older people prone to slow-healing skin issues.

Reduces stress

Sitting in a steam room or warm bath often helps people relax, though the precise mechanisms aren’t fully understood. One idea is that heat prompts the release of endorphins, the body’s natural mood enhancers, reducing stress and anxiety.

Another possibility is that steam sessions lower cortisol, the stress hormone. As cortisol declines, people tend to feel calmer and more refreshed.

A review suggested that individuals in high-stress occupations (like first responders or military personnel) might lower stress through regular sauna use. Although that research focused on saunas, similar benefits could apply to steam rooms since both involve heat stress.

The researchers observed that one or two sauna sessions per week produced short-term improvements in blood pressure and arterial stiffness, while more frequent, long-term use led to better stress tolerance and broader health gains.

They cautioned that the connection between heat stress and cellular mechanisms remains unclear, but noted the potential for heat bathing to reduce metabolic risks in high-stress workers. Further study is needed to assess both short- and long-term impacts on physiology and performance.

Promotes mental wellness

Heat-based practices, including steam rooms, may support psychological well-being by encouraging relaxation and providing a break from anxiety-inducing news cycles and “doomscrolling.”

One study found that heat-based activities foster a mindful focus on breathing and relaxation, producing benefits like better sleep, reduced stress, and improved mood from engaging in a self-care routine.

A study of Finnish men linked sauna bathing with reduced dementia risk. The authors urged more research to pinpoint the biological processes that might tie heat bathing to cognitive protection.

Promotes skin health

Environmental pollutants and impurities can collect beneath the skin. Steam rooms help by opening pores with heat.

The warm condensation helps wash away dirt and dead skin cells that can cause breakouts, resulting in clearer, more even-toned skin.

Helps support workout recovery

Delayed-onset muscle soreness (DOMS) occurs after intense exercise. Athletes have long used heat therapy to speed recovery.

Heat penetrates muscle tissue and can relieve DOMS. A 2013 study found that moist heat was as effective — and in some cases faster — than dry heat for muscle recovery.

Loosens stiff joints

Warming up before activity reduces injury risk. Using a steam room as part of your warm-up may improve mobility for activities like:

• running
• Pilates
• yoga

A 2013 study examined heat’s influence on soft-tissue flexibility. Applying heat to the knee before activity made the joint more flexible and relaxed, suggesting heat may help prevent injury.

The Arthritis Foundation notes that heat is useful for loosening stiff joints and soothing achy muscles in people with arthritis.

Heating a sore joint or tired muscle dilates blood vessels, allowing greater flow of blood, oxygen, and nutrients to injured tissue, which helps relax muscles and joints.

Burns calories

Your heart rate rises in a steam room or sauna. If you enter a steam room after cardio, your heart rate — already elevated — may stay higher for longer.

Sweating in a steam room is not an effective method for rapid weight loss. Any weight lost is mostly water and must be replenished to avoid dehydration.

That said, regular steam sessions as part of a gym routine could modestly increase calorie burn and support diet and exercise goals.

Steam rooms can enhance exercise effects by prolonging elevated heart rate, but they do not replace physical activity.

Promotes cardiovascular health

Older research from 2011 indicates that some people release hormones in response to steam-room heat that affect heart rate — including aldosterone, which helps regulate blood pressure.

When aldosterone is secreted during steam exposure, it can contribute to lowering high blood pressure, which helps explain the relaxing sensation steam bathing produces.

A 2021 study reported that steam baths may improve heart function by reducing blood pressure in healthy participants. They observed decreases in heart rate and both systolic and diastolic blood pressure after 10–15 minute weekly steam baths over 12 weeks.

Another study supported these findings, noting that regular sauna use tends to lower both systolic and diastolic blood pressure and benefit cardiovascular health.

Supports healthy aging

Medical discussions often differentiate between lifespan and healthspan — the number of years lived in reasonably good health without significant illness.

One study concluded regular sauna bathing may delay some aging effects through heat therapy’s benefits on heart and brain health, physical fitness, and muscle maintenance.

Evidence suggests the benefits of saunas are often dose-related, particularly regarding inflammation and cardiovascular outcomes — meaning repeated, regular sessions usually produce greater effects than infrequent use.

A review proposed that repeated heat exposure may help the body acclimate and strengthen its physiological responses, explaining dose-related benefits.

Steam room vs. sauna

Steam rooms and saunas are alike in that you sit in a small heated chamber and both can impart health advantages. The main distinction is the kind of heat.

Saunas provide dry heat, typically from heated rocks or a closed stove. Steam rooms are warmed by steam produced from a generator filled with boiling water.

Limits and risks of steam room use

Steam rooms offer many possible health gains, but steam bathing can be harmful if overused, especially for newcomers.

Dehydration

Steam rooms are often tiled, glass-lined, or plastic-coated to keep them airtight and retain moisture.

They are heated to roughly 114°F–120°F (45°C–48°C), though typical steam-room temperatures hover near 110°F (43°C).

Spending more than 15 minutes in a steam room can lead to dehydration. Experts advise drinking water during and immediately after a session.

Bacteria and germs

Steam rooms can harbor other people’s microbes. Steam temperatures aren’t high enough to eliminate some bacteria, and the warm, moist environment may promote bacterial growth.

Until you have your clinician’s approval, avoid steam rooms and saunas if you are:

• pregnant
• immunocompromised
• recovering from surgery

Heat may also aid viral persistence. If you’re sick, skip the steam room to lower the chance of infecting others.

Heat-related illnesses

Research cautions that at-home steam therapy for colds and sinus infections is controversial and can cause scalding if misapplied.

Health professionals warn against steam-room use if you have a fever, particularly a high one, because added heat could dangerously raise body temperature and cause breathing problems or heatstroke.

Other risks of prolonged steam exposure include:

• burns
• muscle cramps
• heatstroke
• heat exhaustion
• dizziness or fainting

When used sensibly, steam rooms are generally safe. If you become unwell during a session, exit immediately.

The bottom line

Heat therapy has been linked to various health benefits. The most evidence-backed effects are reductions in inflammation and occasional relief of sinus and bronchial congestion.

Adding a steam-room session to your post-exercise routine may speed recovery and enhance how you feel afterward.

Steam rooms should not replace medical treatments prescribed by your doctor, but they’re a pleasant way to relax while enjoying potential health perks. Always practice good steam-room hygiene: wear flip-flops, sit on a towel, and rinse with a lukewarm shower afterward to wash away bacteria.

For more ways heat and humidity affect home comfort and health, consider reading about hot tub benefits and the advantages of dehumidification like dehumidifier benefits.