Residents of megacities are more likely to suffer from skin diseases. To this conclusion scientists from several scientific laboratories of South Korea. The results of their research are published by the journal Science Advances.

The fact that residents of large cities suffer from skin diseases more often than villagers have been known before. As scientists assumed, the cause may be air pollution. At the same time, the mechanism causing skin diseases, for example, dermatitis, was not fully understood, informs Lenta. RU.

Researchers decided to analyze the life of microorganisms living in human skin.

To do this, they took swabs from 231 women from five Chinese cities. Three cities are considered large, the other two are megacities.

It was found that microorganisms in the skin of women living in megacities are less diverse than those who live simply in large cities. The microorganisms themselves also had less inhabitants of megacities.

Thus, scientists came to the conclusion that a large variety of microorganisms and their high number in human skin protect the skin from various diseases.