Www.ncbi.nlm.nih.gov/pmc/articles/PMC2566234/pdf/587.pdf. Www.forestry.gov.uk/pdf/FCS_BranchingOut_ExecSum.pdf/$FILE/FCS_BranchingOut_ExecSum.pdf. Www.green-space.org.uk/downloads/GreenLINK/Blue Sky Green Space Executive Summary.pdf. Environmental biodiversity, human microbiota, and allergy are interrelated. Lack of contact with nature 'increasing allergies' 8 May 2012Last updated at 10:20 GMT By Mark Kinver Environment reporter, BBC News Urbanisation is a "lost opportunity" for people to interact with biodiversity, including bacteria A lack of exposure to a "natural environment" could be resulting in more urban dwellers developing allergies and asthma, research has suggested.
Finnish scientists say certain bacteria, shown to be beneficial for human health, are found in greater abundance in non-urban surroundings. The microbiota play an important role in the development and maintenance of the immune system, they add. The findings appear in the Proceedings of the National Academy of Sciences.