Background: The modern scientific evidence representing that obesity associated with fluoride exposure may be a risk of reduced health quality in paediatric population. Obesity is an independent risk factor for cardiovascular diseases and markedly elevated risk of morbidity and mortality. Presence of higher levels of fluoride in drinking water (>1.5ppm) may be serious problems in health of the obese children. In the state of Rajasthan, almost all districts have high fluoride (up to 18.0 ppm) in their drinking / ground water sources. An estimated 66.6 million people (17 states in India) including 6 million less than 14 years children are at risk Aim: The aim of the present study was to evaluate the effect of fluoride in obese child of high endemic fluoride areas. Method: In the present study, we selected 54 obese children from the selected area of Jaipur- India, twenty seven children (n=27) from high fluoride (F > 2.5ppm) region and twenty seven (n=27) obese children (disease control) from, where fluoride content was normal (F< 1.5ppm) in their source of drinking water. Moreover, age matched healthy controls were selected from the Jaipur district where fluoride content in water was less than 1.5 ppm. After clinical examination, lipid profiles, oxidative stress parameters namely, lipid peroxide level (LPO), superoxide dismutase, catalase, glutathione peroxidase, glutathione reductase and reduced glutathione content. Results: The concentration of fluoride in serum was significantly correlates with their water concentration. Increased LPO levels and reduced antioxidant status in obese and fluoride exposed obese. Moreover, obese and fluoride exposed obese were more comparable. Conclusion: On the basis of the results it may conclude that fluoride enhances the severity of disease and fluoride promotes oxidative stress in obese paediatric population. However, further in depth of studies is required for the understanding of pathophysiology of child obesity those residing in endemic area of fluoride.

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