Salt therapy, airways and natural defense

The publication describes dry salt inhalation in people with respiratory complaints such as asthma and COPD. The core finding is that very fine dry salt particles can be inhaled and come into contact with the airways. The described action is primarily linked to easier breathing, less irritation, better mucus clearance, and support for coughing, mucus, shortness of breath, asthma, and COPD. The article emphasizes that particle size is important: fine particles (at least 80% between 0.8 and 1.5 µm) can enter the airways more effectively than coarser salt particles.

The publication discusses hypertonic salt in young children with acute bronchiolitis. Hypertonic salt is a salt solution with a higher salt concentration than normal body fluid. It is investigated as a support for shortness of breath, mucus, and viral respiratory complaints. The literature describes that nebulized hypertonic salt in hospitalized children can sometimes contribute to a modestly shorter length of stay.

The article discusses nasal rinsing and gargling with hypertonic saline as a supplemental application for COVID-19 and other viral nose and throat complaints. The authors link the possible effect to cleaning the nose and throat, reducing viral load, and supporting local immune processes. The publication thus places salt solution within the broader context of upper respiratory tracts, viral load, and natural defense.

The study investigates how chloride ions can strengthen the innate antiviral defense of cells. Researchers describe that chloride can contribute to the formation of hypochlorous acid (HOCl) in cells. HOCl is a substance produced by the body involved in the defense against viruses and other pathogens. The study provides a biological basis for the role of chloride in local defense processes.

This pilot study investigated nasal rinsing and gargling with hypertonic saline for the common cold. Researchers looked at symptoms, illness duration, medication use, and viral shedding. Results indicated a faster reduction in symptoms and less viral shedding when using hypertonic saline. The research supports the idea that salt applications in the upper respiratory tract can contribute to cleansing and local defense.

Researchers studied how airway cells respond to the cold virus at different temperatures. The study describes that the virus can replicate more easily in cooler conditions in the nose. In warmer conditions, immune responses in respiratory cells become stronger, inhibiting viral replication. The research demonstrates how important local defense in the respiratory mucosa is.