Vitamin D status and obesity in children from Chile

Vitamin D status and obesity in children from Chile

Vitamin D (VitD) is essential for developing and maintaining a healthy skeleton, and it has been linked to reduced risk for acute and chronic illnesses [1]. VitD deficiency is associated with obesity, cardiovascular disease, insulin resistance, beta-cell dysfunction, autoimmune diseases, and cancer [2]. Several factors can influence VitD status, including sunlight, diet, and dietary VitD supplements. Besides, lifestyle factors such as for overweight, obesity, and sedentarism also influence VitD status [3].

In Chile, a limited number of studies conducted on healthy children have shown evidence of the impact of nutritional status and sunlight exposure on VitD levels [4].

The researchers found 80.4% of children had serum 25(OH)D deficiency, with 1.7% severe, 24.6% moderate, and 54.1% mild. In the three cities, the percentage of serum 25(OH)D deficit was increased when comparing overweight or obesity with a healthy weight. Additionally, an interaction effect was observed between geographic area, nutritional status, and serum 25(OH)D levels using the factorial ANOVA test (p = 0.038). In Antofagasta, there were more overweight children and also a higher percentage of children with VitD deficiency (<30 ng/ml) compared to Santiago or Concepción.

To read the article: Vitamin D status and obesity in children from Chile


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