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Biol Trace Elem Res. 2011 Dec;144(1-3):157-63. doi: 10.1007/s12011-011-9054-5. Epub 2011 Apr 12.

Drinking water fluoride and blood pressure? An environmental study.

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1
Department of Environmental Health Engineering, Tehran University of Medical Sciences, Qods Street, PO Box 14155-6446, Tehran, Iran.

Abstract

The relationship between intakes of fluoride (F) from drinking water and blood pressure has not yet been reported. We examined the relationship of F in ground water resources (GWRs) of Iran with the blood pressure of Iranian population in an ecologic study. The mean F data of the GWRs (as a surrogate for F levels in drinking water) were derived from a previously conducted study. The hypertension prevalence and the mean of systolic and diastolic blood pressures (SBP & DBP) of Iranian population by different provinces and genders were also derived from the provincial report of non-communicable disease risk factor surveillance of Iran. Statistically significant positive correlations were found between the mean concentrations of F in the GWRs and the hypertension prevalence of males (r = 0.48, p = 0.007), females (r = 0.36, p = 0.048), and overall (r = 0.495, p = 0.005). Also, statistically significant positive correlations between the mean concentrations of F in the GWRs and the mean SBP of males (r = 0.431, p = 0.018), and a borderline correlation with females (r = 0.352, p = 0.057) were found. In conclusion, we found the increase of hypertension prevalence and the SBP mean with the increase of F level in the GWRs of Iranian population.

PMID:
21484404
DOI:
10.1007/s12011-011-9054-5
[Indexed for MEDLINE]

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