Introduction.?It is generally recognized that human beings, monkeys and guinea-pigs do not synthesize vitamin C in their body. The difference in the time of onset of the symptoms ?f vitamin C deficiency were attributed to differences in age, sex and locality. The great extent to which pregnant women could tolerate vitamin C deficiency could not be explained. It has, however, been suggested that...

glucose-6-phosphate dehydrogenase (g6pd) deficient subjects are vulnerable to oxidative stress. quercetin, a flavonoids, has been employed as a potent oxygen-free radical scavenger in order to assess the protective effects of quercetin against h2o2-induced oxidative damage in g6pd-deficient and normal human erythrocytes. erythrocytes of g6pd-deficient (n = 10) and normal (n = 10) subjects were ...

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...

Vitamin B12 deficiency is widely prevalent in women of childbearing age, especially in developing countries. In the present study, through dietary restriction, we have established mouse models of severe and moderate vitamin B12 deficiencies to elucidate the impact on body composition, biochemical parameters, and reproductive performance. Female weanling C57BL/6 mice were fed for 4 weeks: (a) co...

In February 2013, C edric Annweiler invited a number of international experts to form a task force, and they met in Boston in July 2013 to evaluate the evidence regarding the role of vitamin D in the mental health of older adults. The discussions resulted in the task force concluding that vitamin D deficiency is a risk factor for cognitive decline and dementia in older adults [1]. As noted by t...

OBJECTIVE Dietary factors seem to play a major role in esophageal carcinogenesis in Golestan Province, a high-incidence area for esophageal cancer in northern Iran. The current study was conducted to evaluate previous reports on severe deficiency of vitamin intake in Golestan. METHODS Using a food frequency questionnaire, food intake data were collected from 30,463 healthy participants in the...

background: vitamin d has a potential to modulate inflammatory response against noxious particles in patients with chronic obstructive pulmonary disease (copd). the present study was conducted to determine the status of serum vitamin d in copd versus healthy group. methods: the patients presented to the outpatient pulmonary clinic of ayatollah rouhani hospital, babol iran. diagnosis of copd was...