نتایج جستجو برای: vitamin a deficiency
تعداد نتایج: 13498368 فیلتر نتایج به سال:
OBJECTIVE To investigate the prevalence of vitamin A deficiency among schoolchildren from a rural area in the Distrito Federal, Brazil, and to correlate this with rates of anemia and malnutrition. METHODS From a total of 179 students, the study recruited 155 schoolchildren (5 to 18 years), whose parents gave permission for blood tests. Plasma retinol concentration was assayed by high resoluti...
Introduction: There are few studies regarding the treatment of vitamin D deficiency with a high dose of vitamin D and the comparison of serum vitamin D levels and hematological indices (Hemoglobin, Hematocrit, Platelet and Ferritin) in the first and second trimesters of pregnancy. The aim of this study was to evaluate the effect of vitamin D supplementation on these hematological indices in pre...
arthralgia is a common presenting symptom of many rheumatic diseases. vitamin d deficiency may lead to progression of skeletal symptoms to definite disease in susceptible subjects. this study was conducted to determine the relationship between vitamin d deficiency and unexplained arthralgia. patients with arthralgia not related to a definite clinical condition were selected prospectively among ...
Abstract Background and objectives: Irritable bowel syndrome (IBS) is one of the most common gastrointestinal diseases. It is a functional bowel disorder characterized by chronic abdominal pain and alternation of bowel habits with no structural abnormality. The prevalence of this disease was estimated 10-20 percent in the world. However, the cause of IBS is still unknown. Regarding to int...
low plasma level of vitamin d is linked to the increased risk of cardiovascular diseases such as hypertension, diabetes, dyslipidemia and peripheral vascular diseases. vitamin d deficiency is a worldwide problem that involves iranian population. to the best of our knowledge, this was the first investigation on venous thromboembolism (vte) subjects that assessed the correlation of vitamin d leve...
Objectives: Vitamin D deficiency is one of the most important health problems of any society. It is more common in elderly even in those dwelling in rest homes. By now, several studies have been conducted on vitamin D deficiency using current statistical models. In this study, corresponding proportional odds and stereotype regression methods were used to identify threatening factors related to ...
Background: Vitamin D is an important factor for bone growth. Vitamin D deficiency reduces absorption of calcium and causes rickets and also increases bone fragility. In addition, Vitamin D deficiency has exoskeleton side effects, such as increased risk of cancer, cardiovascular disease, infections and autoimmune diseases. In most cases, vitamin D intake is not enough in dietary food supplies....
One of the major health problems in most of the countries is vitamin A deficiency, which causes serious complications in children. Worldwide, nearly 2.8 million children aged 4–6 years old are affected by clinical and subclinical symptoms of vitamin A deficiency. Based on the studies from Iran, prevalence of vitamin A deficiency has increased in some provinces. This problem needs improvements ...
six- to sixty months old children were studied in sirjan villages, divided into villages with or without a health house (hh). all the 893 children were medically examined and their food intake was assessed, using the 24-hours dietary recall method. ascorbic acid was determined in blood samples of 199 children. the results obtained are as follows: 1; the average vitamin c intake for all the chil...
We describe the cases of 2 autistic children with ophthalmic and systemic manifestations of vitamin A deficiency due to food faddism. Although vitamin A deficiency is common in the developing world, reports in developed societies are rare. Our patients presented over a 1-year period. The patients were 14 and 13 years old at the time of presentation and were both found to have marked features of...
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