Fig. 5
From: Microbes little helpers and suppliers for therapeutic asthma approaches
Humans have evolved together with a wide range of bacteria, viruses, worms and fungi. In this process, favorable communities have developed that have a positive effect on metabolism and the immune system, and a negative effect on the development of diseases. Alternations in this coexistence, such as changes in lifestyle (industrialization, hygiene status, pollutants) mean that modern man is more susceptible to the development of diseases such as allergies or asthma