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The role of environmental pollutants in body composition: Systematic review and meta-analysis. | LitMetric

The role of environmental pollutants in body composition: Systematic review and meta-analysis.

Environ Res

Universidade Federal Do Rio Grande Do Sul, Graduate Program in Epidemiology, Porto Alegre, RS, Brazil. Electronic address:

Published: July 2023

AI Article Synopsis

Article Abstract

The effects of environmental pollution are associated with higher rates of mortality, morbidity, and years of life lost. It is known that these produce alterations in the human body, including changes in body composition. Research has focused on the association between contaminants and BMI through cross-sectional studies. The objective of this study was to synthesize the evidence for the association of pollutants on different measures of body composition. The PECOS strategy was defined, in which "P": participants of any age, sex, or ethnicity, "E": a higher level of environmental pollution, "C": a lower level of environmental pollution, "O": body composition measurements and "S": longitudinal studies. Studies from the following databases were included: MEDLINE, EMBASE, SciELO, LILACS, Scopus, Web of Science, SPORTDiscus, and gray literature from inception to January 2023.3069 studies were identified, 18 were included in the systematic review, and 13 in the meta-analysis. These studies included 8.563 people, 47 environmental contaminants, and 16 measures of body composition. The meta-analysis by subgroup found that the association between dioxins, furans, PCBs, and waist circumference was β = 1.0 (95% CI: 0.85 to 1.16; I: 95%), and the sum of four skinfolds β = 1.02 (95% CI: 0.88 to 1.16; I: 24%). The association between pesticides and waist circumference was β = 1.00 (95% CI: 0.68 to 1.32; I: 98%), and the fat mass was β = 0.99 (95% CI: 0.17 to 1.81; I: 94%). Pollutants, especially endocrine-disrupting chemicals, among which dioxins, furans, PCBs, and pesticides, are associated with changes in body composition, mainly with waist circumference and the sum of four skinfolds.

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Source
http://dx.doi.org/10.1016/j.envres.2023.115840DOI Listing

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