نتایج جستجو برای: vitamins b

تعداد نتایج: 911259  

Journal: :International journal of geriatric psychiatry 2012
Celeste A de Jager Abderrahim Oulhaj Robin Jacoby Helga Refsum A David Smith

BACKGROUND Homocysteine is a risk factor for Alzheimer's disease. In the first report on the VITACOG trial, we showed that homocysteine-lowering treatment with B vitamins slows the rate of brain atrophy in mild cognitive impairment (MCI). Here we report the effect of B vitamins on cognitive and clinical decline (secondary outcomes) in the same study. METHODS This was a double-blind, single-ce...

Journal: :Nutrition reviews 2007
Aimee L Webb Eduardo Villamor

The purpose of this manuscript is to review the impact of supplementation with vitamins E and C, carotenoids, and the B vitamins on parameters of innate and adaptive immune function as reported from clinical trials in humans. There is evidence to support causal effects of supplementation with vitamins E and C and the carotenoids singly and in combination on selected aspects of immunity, includi...

Journal: :The American journal of clinical nutrition 1996
K M Riggs A Spiro K Tucker D Rush

We investigated the relations between plasma concentrations of homocysteine and vitamins B-12 and B-6 and folate, and scores from a battery of cognitive tests for 70 male subjects, aged 54-81 y, in the Normative Aging Study. Lower concentrations of vitamin B-12 (P=0.04) and folate (P=0.003) and higher concentrations of homocysteine (P=0.0009 ) were associated with poorer spatial copying skills....

2011
Sean I. Savitz

Homocysteine, Folic Acid, and B Vitamins Approximately 90% of all strokes are attributable to vascular risk factors.1 Homocysteine has also been identified as another risk factor for stroke. VITAmins TO Prevent Stroke (VITATOPS) aimed to assess whether daily administration of folic acid, vitamin B6, and vitamin B12 in patients with recent stroke or transient ischemic attack lowers homocysteine ...

2015
Valentina Fratoni Maria Luisa Brandi

Nutrition is one of the most important modifiable factors involved in the development and maintenance of good bone health. Calcium and Vitamin D have confirmed and established roles in the maintenance of proper bone health. However, other nutritional factors could also be implicated. This review will explore the emerging evidence of the supporting role of certain B Vitamins as modifiable factor...

2014
Hyesook Kim Ggotpin Kim Won Jang Seong Yoon Kim Namsoo Chang

BACKGROUND It is possible that blood B vitamins level and cognitive function may be affected by dietary intake of these vitamins, no study however has yet been conducted on relationships between B vitamins intake and cognitive function among elderly population in Korea. This study examined the relationship between B vitamins intake and cognitive function among elderly in South Korea. METHODS ...

2002
Karsten Sydow Edzard Schwedhelm Naoshi Arakawa Dimitrios Tsikas Burkhard Hornig Jurgen C. Frolich Rainer H. Boger

Objectives: Hyperhomocyst(e)inemia is a risk factor for atherosclerotic vascular disease, and it is associated with endothelial dysfunction. Mechanisms responsible for endothelial dysfunction in hyperhomocyst(e)inemia may involve impaired bioavailability of NO, possibly secondary to accumulation of the endogenous NO synthase inhibitor asymmetric dimethylarginine (ADMA) and increased oxidative s...

2015
Hongli Dong Fuhua Pi Zan Ding Wei Chen Shaojie Pang Wenya Dong Qingying Zhang Alice Y. W. Chang

BACKGROUND Supplementation with B vitamins for stroke prevention has been evaluated over the years, but which combination of B vitamins is optimal for stroke prevention is unclear. We performed a network meta-analysis to assess the impact of different combinations of B vitamins on risk of stroke. METHODS A total of 17 trials (86 393 patients) comparing 7 treatment strategies and placebo were ...

Rasool Rahimi Junqani, Mohammadreza Alijani, Moosa Javdani, Reza Abtahi,

Spinal cord injury (SCI) is damage to the spinal cord that leads to sudden loss of motor and autonomic function and sensory under the level of the injury. Studies showed that individuals with SCI has a clear tendency to vitamins level change. The aim of this study was to review the vitamins level in spinal cord injury. Vitamins C level decrease in the injured spinal cord patient. Vitamins C hav...

ژورنال: کومش 2022

Vitamins are important micronutrients and are often precursors of enzymes that living cells need to perform biochemical reactions. Because humans cannot biosynthesize most vitamins, therefore, they must be obtained exogenously. Although a variety of vitamins are found in most foods, many people's vitamin deficiencies still occur mainly due to malnutrition as a result of inadequate food consumpt...

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