08 May '12, 12pm

Lack of Contact With Natural World Means More City-Dwellers Developing Allergies, Asthma

Lack of Contact With Natural World Means More City-Dwellers Developing Allergies, Asthma

New research coming out of Finland, published in the Proceedings of the National Academy of Sciences , shows that a lack of contact with nature, and the variety of beneficial bacteria there, may be leading to more city-dwellers developing allergies and asthma. Report co-author Ilkka Hanski told BBC News : There are microbes everywhere, including in the built environment, but the composition is different between natural environments and human-built areas. The microbiota in natural environments is more beneficial for us. They are important for...the normal development of the immune system. In particular the gammaproteobacteria, found with greater prevalence in forests and agricultural land than in the built environment, had a particular important function: Our study showed that the more you had of this particular gammaproteobacteria on your skin then you had a immunological ...

Full article: http://www.treehugger.com/health/lack-contact-nature-mean...

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