In a study by the University of Michigan (USA), researchers explored the relationship between vitamin D deficiency in the first years of life and the risk of obesity in infants.
The study was conducted on about 1,800 participants from 50 neighborhoods in Santiago, Chile, with the goal of assessing cardiovascular risk when children reach adolescence.
Researchers measured vitamin D levels in the children's blood when they were 1 year old and tracked the development of their body mass index (BMI) at ages 5, 10 and 16-17. Research results show a clear link between vitamin D supplementation and slower BMI increase in children aged 1 to 5 years, reducing the risk of metabolic disorders at ages 16-17. Furthermore, this study was conducted at a time when early cardiovascular risk factors in Chilean children are increasing, in part due to obesity.
For children who cannot get enough sun exposure, vitamin D supplementation is important.According to the US Centers for Disease Control and Prevention (CDC), children should be provided with about 400 IU of vitamin D per day.
Another study also showed that overweight and obese people often have lower vitamin D levels. Because vitamin D is stored in fatty tissue, people with greater body fat may need more supplementation to maintain blood levels. When vitamin D deficiency persists, it will hinder the weight loss process by affecting insulin sensitivity and hindering effective fat oxidation.
Specifically, due to inflammation stemming from insulin resistance. From this point on, the body becomes less efficient at using fatty acids as energy substrates, so they tend to be stored as fat, making it difficult to lose weight.
Improving sun exposure habits and consuming foods rich in vitamin D are important to maintain vitamin D levels in the optimal range and reduce the risk of many chronic diseases.
This study was published in the American Journal of Clinical Nutrition and International Journal of Molecular Sciences., emphasizes the importance of maintaining stable vitamin D levels during the first years of life to protect children's overall health.
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