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It is well established that iodine supplementation is effective in correcting iodine deficiency and reducing goiter prevalence. In Italy, legislation has allowed the production of iodized salt since 1972, but its consumption is on a voluntary basis. In the present study, the efficacy of legislative measures that made compulsory the availability of iodized salt in foodstores has been evaluated. Urinary iodine excretion and thyroid size, scored according to Pan American Health Organization recommendations, were determined prior to (1981) and 10 years after (1991) the introduction of legislative measures in the whole schoolchildren population residing in a restricted area of the Tuscan Appennines. Moreover, in 1991, thyroid volume was determined by ultrasonography. In 1981, mean urinary iodine excretion was 47.1 +/- 22.4 mg/kg creatinine (0.412 mumol/l) and goiter prevalence was 60%, indicating a moderate iodine deficiency. Eighty of the families subsequently used iodized salt on a regular basis; as a result of this excellent compliance, in 1991 the mean urinary iodine excretion increased to 129.7 +/- 73 mg/kg creatinine (1.24 mumol/l) and goiter prevalence dropped to 8.1%. The results of this study underline the effectiveness of iodine prophylaxis in correcting iodine deficiency and abating endemic goiter in schoolchildren, and suggest that implementation of measures that make compulsory the availability of iodized salt in foodstores overcomes the fact that there is no law governing the exclusive production and trading of iodized salt.
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A Pinchera, and
L Antonangeli, and
T Rago, and
G F Fenzi, and
P Nanni, and
P Vitti
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Journal of the American Medical Association,
F Aghini-Lombardi, and
A Pinchera, and
L Antonangeli, and
T Rago, and
G F Fenzi, and
P Nanni, and
P Vitti
January 1953,
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F Aghini-Lombardi, and
A Pinchera, and
L Antonangeli, and
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G F Fenzi, and
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P Vitti
October 1935,
Science (New York, N.Y.),
F Aghini-Lombardi, and
A Pinchera, and
L Antonangeli, and
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G F Fenzi, and
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April 1935,
Science (New York, N.Y.),
F Aghini-Lombardi, and
A Pinchera, and
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P Vitti
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January 1972,
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F Aghini-Lombardi, and
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January 1953,
Bulletin of the World Health Organization,
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December 1969,
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