Vitamin D deficiency has a high worldwide prevalence, but actions to improve this public
health problem are challenged by the heterogeneity of nutritional and clinical vitamin D …

Viral infections are a leading cause of morbidity and mortality worldwide, and the importance
of public health practices including handwashing and vaccinations in reducing their spread …

Vitamin D plays a pivotal role in the regulation of calcium-phosphorus metabolism,
particularly during pediatric age when nutritional rickets and impaired bone mass acquisition …

Background Vitamin D supplements are widely used for improving bone health in children
and adolescents, but their effects in vitamin D–deficient children are unclear. Objectives This …

Child health has improved considerably, partly due to increased availability of appropriate
disease surveillance and treatment. Inappropriate testing and treatment may impose a risk …

Background/Objectives: Vitamin D is essential for bone health, immune function, and overall
well-being. Numerous ecological, observational, and prospective studies, including …

Background This study aimed to assess the methodological and reporting quality of the
guidelines and consensus on calcium and vitamin D supplementation in healthy children …

Background Nutrition in the first years of life is a cornerstone for child development and long-
term health, yet there is a lack of current data on energy and nutrient intake among toddlers …

Vitamin D is critical to children's skeletal development and health. Despite this, the factors
which determine vitamin D concentrations during infancy remain incompletely understood …

Background: Poor vitamin D status is a worldwide health problem. Yet, knowledge about
vitamin D status among adolescents in Southern Europe is limited. This study investigated …