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Depression: 21st Century Solutions + The Dark Side of Wheat

Abstract Title:

Decreased intelligence in children and exposure to fluoride and arsenic in drinking water.

Abstract Source:

Cad Saude Publica. 2007;23 Suppl 4:S579-87. PMID: 18038039

Abstract Author(s):

Diana Rocha-Amador, Maria Elena Navarro, Leticia Carrizales, Raúl Morales, Jaqueline Calderón

Article Affiliation:

Facultad de Medicina, Universidad Autónoma de San Luis Potosí, San Luis Potosí, México.

Abstract:

Recent evidence suggests that fluoride (F) and arsenic (As) may adversely affect intelligence quotient (IQ) scores. We explore the association between exposure to F and As in drinking water and intelligence in children. Three rural communities in Mexico with contrasting levels of F and As in drinking water were studied: Moctezuma (F 0.8+/-1.4 mg/L; As 5.8+/-1.3 microg/L); Salitral (F 5.3+/-0.9 mg/L; As 169+/-0.9 microg/L) and 5 de Febrero (F 9.4+/-0.9 mg/L; As 194+/-1.3 microg/L). The final study sample consisted of 132 children from 6 to 10 years old. After controlling for confounders, an inverse association was observed between F in urine and Performance, Verbal, and Full IQ scores (beta values = -13, -15.6, -16.9, respectively). Similar results were observed for F in drinking water (beta values = -6.7, -11.2, -10.2, respectively) and As in drinking water (beta values= -4.30, -6.40, -6.15, respectively). The p-values for all cases were<0.001. A significant association was observed between As in urine and Full IQ scores (beta = -5.72, p = 0.003). These data suggest that children exposed to either F or As have increased risks of reduced IQ scores.

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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