In case anyone is curious about research related to this area, you can read the short history from Karelia study to biodiversity and public health interventions

In case anyone is curious about research related to this area, you can read the short history from Karelia study to biodiversity and public health interventions (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10043497/#:~:text=The%20Karelia%20Allergy%20Study%202002,circuits%20and%20lower%20allergy%20prevalence https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10043497/#:~:te....) research paper that looks at the health condition disparities between the Russian and Finnish border kids.