نتایج جستجو برای: vitamin a deficiency

تعداد نتایج: 13498368  

Vitamin B12 (cobalamin) is an essential coenzyme for nucleic acid synthesis. Animal protein is the major dietary source of vitamin B12. Deficiency of vitamin B12 leads to megaloblastic anemia, degeneration of the brain, spinal cord, peripheral nerves, and abnormalities of epithelial tissues. Two factors are necessary for the cure of megaloblastic anemia: one in food (extrinsic factor) and one i...

Background and Aim: Vitamin D is provided through dietary intake or synthesis in the skin by ultraviolet ray from sunlight. Vitamin D has a significant role in calcium homeostasis and cellular growth and facilitating normal immune system function. High prevalence of vitamin D deficiency is a particularly important public health in Iran. to The present study aimed at describing the prevalence of...

Journal: :iranian journal of veterinary research 2009
s. akbari

as the first case, a baby red eared slider turtle, trachemys scripta elegans, 1.77 inches long, with a 4 month history of anorexia and blind eyes was referred to the aquatic animal clinic, school of veterinary medicine, shiraz university, iran. the eyes of the pet were swollen and he was not active in swimming and feeling around. in the clinic, after stress treatment, he was kept in a clean aqu...

Background: The 25-hydroxyvitamin D3(25-OH D3)deficiency is a common problem worldwide, and it is aprevalent incidence in neonates. Different studies investigated the relationship of vitamin D deficiency with neonatal mortality and morbidity. This study aimed to evaluate the relationship between vitamin D deficiency and respiratory distress in preterm neonates.Methods: A prospective cohor...

Journal: :international journal of reproductive biomedicine 0
fatemeh mirzaei tayebeh amiri moghadam peyman arasteh

background: vitamin d deficiency during pregnancy is associated with some adverse pregnancy outcomes but its relationship with fetal growth is unknown. objective: we compared the 25-hydroxy vitamin d levels between mothers and their small for gestational age (sga) newborns with mothers and their appropriate for gestational age (aga) newborns. materials and methods: the study population included...

Journal: :acta medica iranica 0
mehrdad shakiba department of pediatric nephrology, shahid sadoughi hospital, school of medicine, shahid sadoughi university of medical sciences, yazd, iran. zahra nafei department of pediatric, shahid sadoughi hospital, school of medicine, shahid sadoughi university of medical sciences, yazd, iran. mohammad hassan lotfi department of clinical epidemiology, shahid sadoughi hospital, school of medicine, shahid sadoughi university of medical sciences, yazd, iran. ahmad shajari department of pediatric nephrology, shahid sadoughi hospital, school of medicine, shahid sadoughi university of medical sciences, yazd, iran.

vitamin d is essential for growth and vitamin d deficiency is important issue in adolescent girls as they have a limited rapid growth period .this cross sectional study was done on 167 female students in secondary guidance school in 2006. growth parameters, taking supplementary vitamin d, using sunscreen creams and the type of housing and their avoidance from exposure to sunlight was recorded. ...

2017
Riyadh A Alzaheb Osama Al-Amer

BACKGROUND A high hypovitaminosis D prevalence has repeatedly been reported in Middle Eastern countries. Previous data regarding the vitamin D status of young women in Saudi Arabia and the related hypovitaminosis D risk factors are scarce, so this research assessed hypovitaminosis D prevalence and its risk factors among apparently healthy female university students in Tabuk, Saudi Arabia. MET...

Journal: :journal of reproduction and infertility 0

background: there is a growing concern about the high prevalence of vitamin d deficiency and its relationship with variety of diseases worldwide. the objective of this study was to determine the prevalence of vitamin d deficiency and its relationship with pregnancy adverse effects in yazd. methods: this was a cross sectional study conducted among 200 nulliparous women from october 2013 to april...

Atefi, Aref , Fallah , Tahereh , Ghanizadeh, Fatemeh , Ghiaspour , Esmat , Hashemi , Azam , Heydari , Safiyehsadat , Sadri , Zahra , Sheikhpour , Elnaz, Zare-Zardini , Hadi ,

Vitamin D deficiency is known as the most common nutritional deficiency. It is created during infancy due to different factors, including decreased dietary intake, decreased dermal synthesis, malabsorption, enzyme-inducing medications, and exclusive breastfeeding. Vitamin D deficiency is associated with poor bone health such as rickets and osteomalacia in children. Despite vitamin D plays an im...

Journal: :acta medica iranica 0
mehrdokht mazdeh department of neurology, hamadan university of medical sciences, hamadan, iran. soroush seifirad endocrinology and metabolism research center, tehran university of medical sciences, tehran, iran. niloofar kazemi medical student, hamadan university of medical sciences, hamadan, iran. mohammad ali seifrabie department of social medicine, hamadan university of medical sciences, hamadan, iran. arash dehghan department of pathology, hamadan university of medical sciences, hamadan, iran. hamidreza abbasi medical student, hamadan university of medical sciences, hamadan, iran.

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...

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