نتایج جستجو برای: Vitamin D deficiency
تعداد نتایج: 750047 فیلتر نتایج به سال:
Background and Aim: Vitamin D has a basic role in bone development and metabolism. Regarding high prevalence of vitamin D deficiency in Iran, we aimed to investigate its point prevalence in Arak, Iran and determine a cut-off point for vitamin D deficiency in the region. Materials and Methods: In a cross-sectional study,420 adolescents (220 girls, 200 boys) aged 10-16 years old were selected usi...
Vitamin D deficiency is one of the major health problems that is unexpectedly prevalent in Iran. The ultraviolet (UV) rays of the sunlight are the most important source of vitamin D in humans. In contrast, environmental factors are one of the reasons for decrease in UV transmission to the earth which results in the reduction of vitamin D absorption. Since the role of environmental factors has b...
Introduction: Vitamin D deficiency (VDD) causes same diseases such as osteoporosis, osteomalacia, and fractures, and also it is shown that Vitamin D deficiency could lead to some cardiovascular disease, diabetes and many types of cancer. Therefore, this study aimed to determine the frequency of vitamin D deficiency among referring to laboratories in Eyvan city during 2015 and 2016. Methods: ...
introduction: vitamin d has an important role in maintaining human health. the main source of vitamin d production is skin exposure to sunlight. accordingly with the spread of apartment life culture, growth of industrial cities and the increase of air pollution; vitamin d deficiency and its implications is an important factor in the appearance of debilitating diseases in different age categorie...
multiple risk factors are introduced for multiple sclerosis (ms). recent studies have suggested a possible correlation between vitamin d deficiency and an increase risk of ms. this study was therefore undertaken to compare vitamin d levels in new cases of ms and their relatives as healthy controls. seventy five new diagnosed ms patients and 100 matched healthy controls among their relatives wer...
Background: Vitamin D plays an important role in the health, survival and fertility of humans, This Vitamin has a significant role in calcium homeostasis and cellular growth and facilitating normal immune system function. In recent years, the role of vitamin D in various diseases has been highlighted. Regarding high prevalence of vitamin D deficiency in Iran, The aim of this study was to determ...
Abstract Background and Objective: Of the most common hypochromic microcytic anemia are iron deficiency anemia and minor thalassemia, which are common in Iran and their differential diagnosis is extremely important. The level of 25-hydroxy vitamin D is the indication of vitamin D blood status. The aim of this study was to compare serum levels of vitamin D in people with minor thalassemi...
Obesity is one of the health problems in the developing and developed countries. Obesity subjects the individuals with metabolic and endocrine disorders. It is obvious that vitamin D deficiency or insufficiency may lead to secondary hyperparathyroidism. Thus, obesity increases the risk of vitamin D deficiency. Considering the high prevalence of vitamin D deficiency in children and adolescents w...
prevalence of vitamin d deficiency and its related factors among university students in shiraz, iran
backgrounds: vitamin d deficiency is a public health concern even in sunny areas, so we decided to assess the prevalence of vitamin d deficiency and its related factors among university students in shiraz. methods: this cross‑sectional study was carried out on 254 (128 male and 126 female) university students. demographic questionnaires and a questionnaire on exposure to sun light and sun prote...
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....
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