Indoor air humidity, air quality, and health

Level of indoor air humidity and dryness plays an important role on health. Author from Denmark has reviewed the literature for the effects of extended exposure to low humidity. Eye and upper airway irritation are among the top reported complaints. The reason is that dry and cold air desiccate the airways leading to hyperosmolarity, which stimulates the sensory nerves generating a reflex response and inflammatory biomarkers release. This defense mechanism may also be complicated by aggressive air pollutants. As such, elevating indoor humidy may reduce described symptoms and favor work performance in comparison with very dry conditions. Check the full article by the link.