Unveiling the connection between Vitamin D levels and thyroid health in teens, our latest cross-sectional study sheds light on a potential key player in adolescent hypothyroidism.
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Relationship between vitamin D and adolescents’ hypothyroidism – a cross-sectional study.
Donayeva et al., Prz Menopauzalny 2023
DOI: 10.5114/pm.2023.133280
The study investigated the link between vitamin D deficiency, as indicated by low levels of 25-hydroxyvitamin D (25(OH)D), and the risk of hypothyroidism in adolescents from West Kazakhstan. A total of 180 participants were assessed over two years, with blood samples analyzed for various hormones and 25(OH)D levels. The findings revealed that adolescents with 25(OH)D deficiency had significantly higher levels of thyroid-stimulating hormone (TSH) (3.71 ±1.4 mIU/ml) and lower levels of free thyroxine (T4) (1.4 ±0.56 ng/ml) compared to controls (TSH: 2.67 ±0.99 mIU/ml, T4: 1.5 ±0.4 ng/ml). The odds ratios (OR) for subclinical and clinical hypothyroidism in the 25(OH)D-deficient group were 4.89 and 4.3, respectively, indicating a higher risk of hypothyroidism. Additionally, a significant negative correlation between 25(OH)D and TSH (r = -0.793), and a positive correlation between 25(OH)D and free T4 (r = 0.55) were found.
Importance: This study highlights the potential role of vitamin D deficiency in the development of hypothyroidism in adolescents, suggesting that maintaining adequate vitamin D levels may be important for thyroid health in this population.
Contribution to Literature: The research provides evidence of a statistically significant association between low 25(OH)D levels and increased risk of both subclinical and clinical hypothyroidism in adolescents, contributing to the understanding of the interplay between vitamin D status and thyroid function.