Affiliation:
1. Facultad de Enfermería y Nutriología, Universidad Autónoma de Chihuahua, C. Escorza No. 900 Centro, Chihuahua 31000, Chihuahua, Mexico
2. Instituto Nacional de Salud Pública, Av. Universidad No. 655, Col. Santa Maria Ahuacatitlán, Cuernavaca 62100, Morelos, Mexico
Abstract
Ambient air pollution is a major global public health concern; little evidence exists about the effects of short-term exposure to ozone on components of metabolic syndrome in young obese adolescents. The inhalation of air pollutants, such as ozone, can participate in the development of oxidative stress, systemic inflammation, insulin resistance, endothelium dysfunction, and epigenetic modification. Metabolic alterations in blood in components of metabolic syndrome (MS) and short-term ambient air ozone exposure were determined and evaluated longitudinally in a cohort of 372 adolescents aged between 9 to 19 years old. We used longitudinal mixed-effects models to evaluate the association between ozone exposure and the risk of components of metabolic syndrome and its parameters separately, adjusted using important variables. We observed statistically significant associations between exposure to ozone in tertiles in different lag days and the parameters associated with MS, especially for triglycerides (20.20 mg/dL, 95% CI: 9.5, 30.9), HDL cholesterol (−2.56 mg/dL (95% CI: −5.06, −0.05), and systolic blood pressure (1.10 mmHg, 95% CI: 0.08, 2.2). This study supports the hypothesis that short-term ambient air exposure to ozone may increase the risk of some components of MS such as triglycerides, cholesterol, and blood pressure in the obese adolescent population.
Funder
National Council of Sciences and Technology
Subject
Health, Toxicology and Mutagenesis,Public Health, Environmental and Occupational Health
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