نتایج جستجو برای: vitamin a deficiency

تعداد نتایج: 13498368  

Journal: :international journal of hematology-oncology and stem cell research 0
ghasem janbabai associate professor, medical oncologist-hematologist, gastrointestinal cancer research center, imam khomeini hospital , mazandaran university of medical sciences, sari, iran ramin shekarriz assistant professor, medical oncologist-hematologist, gastrointestinal cancer research center, imam khomeini hospital, mazandaran university of medical sciences, sari, iran homa hassanzadeh internist, department of internal medicine, imam khomeini hospital, mazandaran university of medical sciences, sari, iran mohsen aarabi assistant professor, epidemiologist, mazandaran university of medical sciences, health sciences research center, sari, iran seyyedeh samaneh borhani general physician, gastrointestinal cancer research center, mazandaran university of medical sciences, sari, iran

background: in recent years, epidemiologic and laboratory studies have implied that vitamin d deficiency has a role in the pathogenesis of breast cancer. it has shown that vitamin d can prevent tumor progression induced by carcinogens and inhibit the carcinogenic effects of high fat diet on breast tissue and growth of tumor cells. this study aimed to evaluate serum 25-hydroxyvitamin d level and...

Introduction: Megaloblasc anemia is an uncommon problem in childhood most frequently associated with vitamin deficiency or gastrointesnal disease. The common causes of megaloblasc anemia are vitamin B12 (cobalamin) deficiency and folic acid deficiency. Familial selecve malabsorpon of vitamin B12 associated with proteinuria firstly was described by Imerslund (1960) and Grasbeck et al (1960)...

Journal: :international journal of preventive medicine 0
masoud etemadifar seyed-hossein abtahi hassan razmjoo mohammad-ali abtahi ali-reza dehghani mehri salari

objectives: the onset of multiple sclerosis in the majority of the cases occurs as a clinically isolated syndrome (cis). we sought to assess serum levels of 25-hydroxyvitamin d (25-ohd) in cis patients and healthy controls. methods: in this cross-sectional study 40 patients (36 women and 4 men) with cis manifesting as a single isolated optic neuritis and 40 age- and sex-matched healthy controls...

Migraine is a disabling headache disorder. That is characterized by recurrent unilateral pulsatile headaches. It is one of the most common neurological disorder in the world that nearly one billion of people are affected by migraines. The main Migraine’s features are headaches. Accompanying symptoms are nausea, sometimes vomiting, photophobia, neck pain and muscle tension. Its attacks las...

Journal: :مجله دیابت و متابولیسم ایران 0
h fakhrzadeh s ghotbi r pour-ebrahim m nouri r heshmat a shafaee

introduction: elevated plasma total homocysteine is an independent risk factor for cardiovascular disease and a sensitive marker of vitamin b12 and folate insufficiency. folate and vitamin b12 have a protective effect on cardiovascular disease. this effect may be partly explained by mechanisms independent of homocysteine. this survey is the first population based study to evaluate the plasma to...

Journal: :Asia Pacific journal of clinical nutrition 2014
Caixia Dong Pengfei Ge Xiaolan Ren Xianfeng Zhao Haoqiang Fan Shi-An Yin Elisabete Weiderpass

Populations with special physiological state, such as pregnant, nursing and women of child-bearing age, have been identified as nutritionally vulnerable during natural disaster. The objective of this survey was to evaluate the prevalence of anaemia and micronutrient status of women of reproductive age in April 2009 one year after the Wenchuan Earthquake. The survey recruited 58 pregnant, 66 lac...

Journal: :مجله علوم اعصاب شفای خاتم 0
negar ebrahimi student research committee, faculty of medicine, mashhad university of medical sciences, mashhad, iran

migraine is a disabling headache disorder. that is characterized by recurrent unilateral pulsatile headaches. it is one of the most common neurological disorder in the world that nearly one billion of people are affected by migraines. the main migraine’s features are headaches. accompanying symptoms are nausea, sometimes vomiting, photophobia, neck pain and muscle tension. its attacks last seve...

حلبچی, فرزین , رجبیان تابش, مستانه , علیزاده, زهرا ,

Background: Today obesity and overweightness are the major health problem all over the world. The relation between decreasing serum level of vitamin D and some chronic diseases such as diabetes and obesity was shown in the available studies. The aim of this study was to determine the prevalence of vitamin D deficiency among obese and overweight Iranian population and its relation with age, sex,...

Journal: :The American journal of clinical nutrition 2004
Pamela Weisberg Kelley S Scanlon Ruowei Li Mary E Cogswell

Reports of hypovitaminosis D among adults in the United States have drawn attention to the vitamin D status of children. National data on hypovitaminosis D among children are not yet available. Reports from 2000 and 2001 of rickets among children living in North Carolina, Texas, Georgia, and the mid-Atlantic region, however, confirmed the presence of vitamin D deficiency among some US children ...

Journal: :The journal of nutrition, health & aging 2011
F Formiga A Ferrer J Almeda A San Jose A Gil R Pujol

OBJECTIVES To calculate the prevalence of hypovitaminosis D in subjects aged 85 years old and to study the relationship between some common geriatric evaluation scales and vitamin D status. DESIGN Prospective cohort study. SETTING A community-based study. PARTICIPANTS 312 subjects aged 85 years old. MEASUREMENTS Geriatric assessment was based on comorbidity, functional status according ...

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