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Why dark rooms harm health
Are you one of those people who often do not open their blinds or the curtains on your windows completely during the day or even leave them completely closed? Then you endanger your health unnecessarily and put yourself at increased risk for various diseases.
The University of Oregon scientists found in their current study that opening people's curtains only partially during the day increases the likelihood of various diseases. The doctors published the results of their study in the English-language journal "Microbiome".
Rooms should let sunlight in
In some cases, pathogenic bacteria are killed by sunlight. A dark environment allows these bacteria to thrive better. That is why researchers are warning that it is important to open shutters and curtains during the day. The experts also warned against windowless offices in which there is only artificial light.
Dust can make you sick
Many people spend most of their time in buildings where exposure to dust particles is inevitable. These dust particles carry bacteria with them, which can make people sick, explains study author Dr. Ashkaan Fahimipour from the University of Oregon. It is therefore important to understand how the properties of buildings in which we live and work affect dust ecosystems and how this can affect health.
How did different light intensities affect bacteria?
For the research work, the scientists created eleven identical miniature rooms in which different light intensities were permitted. After 90 days there were twice as many bacteria in the dark rooms. This indicates that dark rooms with little or no light are not conducive to human health. Pathogenic bacteria in dust particles can reproduce more easily in the dark. The researchers conclude that this can lead to illnesses in people who are in these rooms.
Sufficient windows should be installed in buildings
In view of the results of the current study, doctors hope that in future buildings such as schools, offices, hospitals and homes will be designed so that the rooms have better access to daylight. This could reduce the risk of dust infections, the study author Dr. Fahimipour added. (as)