Today’s Solutions: December 01, 2021

Time in nature is valuable for children’s physical and mental health, so one daycare in Finland decided to invest in a playground that replicated the forest floor. The results were amazing. 

The daycare replaced their sandy playground surface with lawn and added indigenous forest species like dwarf heather and blueberries. They also added planter boxes and allowed children to tend them. After just one month, children at the daycare had healthier microbiomes and stronger immune systems than their counterparts in other urban daycares. 

Specifically, the children had increased T-cells, increased immune-boosting gammaproteobacteria microbes, and a reduction in interleukin-17A, a contributor to immune-transmitted disease.

Environmental scientist Marja Roslund from the University of Helsinki said, “We also found that the intestinal microbiota of children who received greenery was similar to the intestinal microbiota of children visiting the forest every day.” 

These results demonstrate that loss of biodiversity in urban areas can contribute to poorer health outcomes and that easy environmental manipulation can radically change these health dynamics, especially in young children. 

Children living in rural areas tend to have fewer cases of allergies and asthma which seems to be directly tied to time outdoors. More studies are needed to definitively draw the correlation between time in nature and childhood health, but this experiment strengthens the argument for this link. 

If you’re raising children in a city, heading outdoors and getting your hands dirty with something as simple as a backyard gardening project is a great solution for boosting mental and physical health. Hopefully, this study will encourage more daycares to incorporate natural spaces into their design.

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