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At a depth of 135 meters, a medical center located inside a salt mine in Poland uses the underground microclimate to treat patients with asthma, allergies, and chronic airway diseases.

Written by Noel Budeguer
Published on 20/04/2026 at 21:25
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What looks like a movie set is actually treating real patients: medical center inside the Wieliczka salt mine bets on underground therapy, saline microclimate, and pulmonary rehabilitation to treat chronic respiratory diseases

It looks like a movie scene, but it really works: in the city of Wieliczka, near Krakow, a medical center operates inside a salt mine and receives patients with respiratory diseases seeking complementary treatment. The location is part of the famous Wieliczka Salt Mine complex and is officially presented as a health resort specialized in the prevention, treatment, and rehabilitation of the respiratory system.

The medical center that works below ground

The differentiator that put Wieliczka on the international radar is its depth. Treatment takes place 135 meters below the surface, in underground galleries adapted for therapeutic use, with facilities aimed at consultations, respiratory exercises, rest, and clinical monitoring. Official sources describe the space as a rare medical center in the world precisely because it combines health activity with an underground mining environment.

This is not just an exotic place for curious visitors. The complex was created to offer real pulmonary rehabilitation programs, including one-day stays, multi-day packages, and accommodations. In other words, the heart of the project is not tourism, but respiratory treatment.

In the 1970s, patients rested on beds installed inside the Wieliczka salt mine to take advantage of the underground microclimate in the care of lung diseases; today, the location houses a modern underground health spa that maintains this tradition with therapeutic programs and respiratory rehabilitation.

What exists in the air of the mine that made the place so famous

The basis of the entire proposal lies in the so-called underground microclimate. According to the mine and the health center, the environment has high bacteriological purity, stable temperature, presence of saline aerosol, and low exposure to pollutants and common surface allergens. It is this combination that supports the therapy conducted in the salt chambers.

This model is often associated with speleotherapy, a practice that uses time spent in underground environments as support for respiratory diseases. In Wieliczka, therapy also appears as subterraneotherapy, always linked to the idea of using the saline air of the mine as part of a broader medical program.

How treatment happens in practice

Those who descend for treatment do not just sit and breathe. The center informs that patients participate in respiratory exercises, conditioning improvement activities, relaxation techniques, and sessions aimed at strengthening respiratory muscles and the diaphragm. The proposal is to combine the underground environment with an active rehabilitation routine.

The programs vary. There are therapeutic visits of about five hours during the day and also longer stays with accommodation. In some modalities, the patient can even spend the night in underground chambers prepared for rest, which has helped transform the center into one of the most impressive images of respiratory medicine in Europe.

For which cases is the center indicated

Today, the Wieliczka salt mine has much more modern facilities, used in different treatments and rehabilitation programs that take advantage of the underground microclimate and mineral-rich air to support respiratory care and well-being.

The Wieliczka health resort reports its operation in cases such as bronchial asthma, COPD, bronchiectasis, allergies, and chronic or recurrent respiratory infections. The service caters to adults and children, which has increased interest in the location and helped consolidate the fame of the center far beyond Poland.

At the same time, access is not granted to anyone without evaluation. Programs of this type require screening and do not replace conventional medical follow-up. The official position of the center itself is one of treatment and rehabilitation, not of miraculous promises.

The fascination of the place meets a limit in science

This is precisely where the story becomes more interesting. The center exists, has medical infrastructure, and works with a complementary model of respiratory care. But this does not authorize treating underground therapy as a proven cure for asthma. A Cochrane review on speleotherapy concluded that the available evidence does not allow a reliable conclusion about its effectiveness in treating chronic asthma.

The current GINA guidelines continue to place evidence-based clinical treatment at the center of asthma control. This means that the fascination of Wieliczka draws attention, but does not replace medication, follow-up, and individualized therapeutic plans. The appeal of the center lies in the unique environment and complementary potential, not in a break with traditional medicine.

When historical heritage and health share the same address

Wieliczka is impactful because it brings together two rare forces in the same place: a historic underground setting and a functioning medical center. This contrast between a century-old mine and modern treatment helps explain why the subject arouses so much curiosity on social media and in the news. What seems unlikely at first glance is precisely what transforms the address into a global symbol of underground medicine.

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Noel Budeguer

Sou jornalista argentino baseado no Rio de Janeiro, com foco em energia e geopolítica, além de tecnologia e assuntos militares. Produzo análises e reportagens com linguagem acessível, dados, contexto e visão estratégica sobre os movimentos que impactam o Brasil e o mundo. 📩 Contato: noelbudeguer@gmail.com

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