The association between iodine deficiency and poor mental and psychomotor development is known. However, most studies were undertaken in areas of very low iodine intake. We investigated whether a similar association is found in schoolchildren from southern Europe with a median urinary iodine output of 90 microg/liter. Urinary iodine levels were measured in 1221 children who also completed a questionnaire about their usual dietary habits. Intelligence quotient (IQ) was measured by Cattell's g factor test. IQ was significantly higher in children with urinary iodine levels above 100 microg/liter. The risk of having an IQ below the 25th percentile was significantly related to the intake of noniodized salt and drinking milk less than once a day. As expected, the risk of having an IQ below 70 was greater in children with urinary iodine levels less than 100 microg/liter. In conclusion, this study demonstrates that the IQ of schoolchildren in a developed country can be influenced by iodine intake. The results support the possibility of improving the IQ of many children from areas with mild iodine deficiency by ensuring an iodine intake sufficient to achieve a urinary iodine concentration greater than 100 microg/liter.

The goal of tbk study was lo examine the psychometric properties of thc Aggression Questionnaire (AQ) in Spain. Tbe AQ is a 29-item instrument designed to measure

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ResumenIntroducción. Los universitarios presentan unas elevadas tasas de ideación suicida asociadas a menudo con diversos factores psicosociales. El objetivo de este estudio fue evaluar si algunas de estas variables psicosociales están relacionadas con la alta prevalencia de ideación suicida en una Universidad Española. Resultados. Los resultados mostraron que los estudiantes más propensos a presentar ideación suicida son menos optimistas, presentan menos habilidades sociales y un menor apoyo social percibido.Conclusiones. La identificación precoz de los factores psicosociales relacionados con alta ideación puede ayudar en la prevención de situaciones de riesgo suicida en este colectivo.Palabras Clave: universitarios, optimismo, habilidades sociales, apoyo social percibido, suicidio. Recepción