OBJECTIVE Vitamin B12 deficiency is associated with many adverse health outcomes and is highly prevalent worldwide. The present study assesses the prevalence of vitamin B12 deficiency and marginal deficiency in Colombian children and women and examines the sociodemographic correlates of serum vitamin B12 concentrations in these groups. DESIGN Cross-sectional, nationally representative survey....

normal 0 false false false en-us x-none ar-sa background: nowadays vitamin d deficiency is a notable medical condition world-wide and also in iran. since, vitamin d can have reoprotective effect by inhibiting the renin-angiotensin system; it appears that low vitamin d level can worsen the renal injury in diabetic patients. this study demonstrates the effect of vitamin d 3 therapy on reducing pr...

OBJECTIVE To diagnose iron deficiency anemia in children. METHODS The study was conducted with a sample of 301 children aged six to 30 months attending public daycare centers in the city of Recife, Northeast Brazil, in 2004. The diagnoses of anemia were based on a combination of different hematological and biochemical parameters: hemoglobin, mean corpuscular volume, ferritin, C-reactive prote...

Purpose - to study the features of vitamin D status and effect D3 supplementation on 25(OH)D in serum school-age children with COVID-19, taking into account genotype rs2228570 polymorphism receptor (VDR) gene. Materials methods. The pilot, prospective, open-label included 36 schoolchildren aged 9-16 who experienced asymptomatic (12 children) mild / moderate (24 COVID-19. In all were studied con...

Aging, as a major risk factor of memory deficiency, affects neural signaling pathways in hippocampus. In particular, age-dependent androgens deficiency causes cognitive impairments. Several enzymes like protein kinase C (PKC) are involved in memory deficiency. Indeed, PKC regulatory process mediates α-secretase activation to cleave APP in β-amyloid cascade and tau proteins phosphorylation mecha...