US EPA

7613789 

Journal Article 

The impact of air pollution to obesity 

Simkova, S; Veleminsky, M; Sram, RJ 

2020 

1 

Neuroendocrinology Letters
ISSN: 0172-780X 

41 

3 

146-153 

English 

33201649 

WOS:000595532300006 

https://www.nel.edu/the-impact-of-air-pollution-to-obesity-2739/
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BACKGROUD: Air pollution in ambient air could affect the increase of obesity in children. METHOD: Review analyze papers about the effect of polycyclic aromatic hydrocarbons (PAHs), fine particles (particulate matter < 2.5 μm, PM2.5), and traffic air pollution (NO2, NOx, PM2.5).
RESULTS: Prenatal exposure to concentrations 1.73-3.07 ng/m3 PAHs significantly increased obesity at age 5 and 7 years, up to 11 years. All studies indicate the significance of prenatal exposure with concentration > 0.3 ng/m3 of B[a]P (benzo[a]pyrene). Prenatal exposure to PM2.5 above concentrations 10.6-11.9 μg/m3 increased obesity in children up to the age of 9 years. Traffic air pollution was evaluated according to exposure to NO2 and PM2.5. Concentrations NO2 higher 30 μg/m3 affect adiponectin levels in cord blood, cholesterol metabolism, and therefore increase later the risk of overweight or obesity. PM2.5 9.2-11.6 μg/m3 during pregnancy affect adiponectin. These concentrations from the traffic air pollution can affect the metabolism in newborns later related to obesity.
CONCLUSION: All these studies indicate that contemporary concentrations of PAHs, PM2.5 and NO2 in ambient air, especially during prenatal period, affect overweight and obesity in children. 

Adults; Air pollution; Benzo[a]pyrene; Children; Fine particles; Nitrogene dioxide; Obesity; Overweight; Polycyclic aromatic hydrocarbons