"Researchers found microbes on the skin and guts of children who regularly played in green spaces had increased in diversity - a feature which is tied to an overall healthier immune system.
Their results largely matched the second group of kids at daycares who had outings for daily nature time.
Among kids who got outside, playing in the dirt, the grass and among the trees, an increase in a microbe called gammaproteobacteria appeared to boost the skin's immune defence, as well as increase helpful immune secretions in the blood and reduce the content of interleukin-17A, which is connected to immune-transmitted diseases.
"This supports the assumption that contact with nature prevents disorders in the immune system, such as autoimmune diseases and allergies," says Sinkkonen."
Source: Science Alert
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