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Summary measure of dietary musculoskeletal nutrient (calcium, vitamin D, magnesium, and phosphorus) intakes is associated with lower-extremity physical performance in homebound elderly men and women
body mass index home-delivered meals homebound elderly
2016/12/30
Our objectives were to examine the association of a summary measure of calcium, vitamin D, magnesium, and phosphorus intakes with 1) the inability to perform lower-extremity physical performance tests...
Demographic, health, lifestyle, and blood vitamin determinants of serum total homocysteine concentrations in the third National Health and Nutrition Examination Survey, 1988–1994
creatinine smoking alcohol consumption
2016/12/30
Data from the third National Health and Nutrition Examination Survey, 1988–1994 were used to examine associations in men (n = 2965) and women (n = 3580) between tHcy and age, sex, race-ethnicity, body...
Can vitamin supplements prevent cognitive decline and dementia in old age?
dementia old age
2016/12/30
Cognitive impairment and dementia are common occurrences in old age. Their effects on families and patients are irreversible, debilitating, and costly. Interventions that can prevent and effectively t...
Quantitative assessment of total body stores of vitamin A in adults with the use of a 3-d deuterated-retinol-dilution procedure
Deuterated retinol dilution DRD 3-d DRD
2016/12/29
The conventional deuterated-retinol-dilution (DRD) technique provides a quantitative estimate of total body stores of vitamin A in humans. The procedure requires equilibration of serum deuterated reti...
Redistribution of vitamin A after iron supplementation in Indonesian infants
Retinol iron zinc
2016/12/29
Deficiencies of iron and vitamin A are prevalent worldwide. Single-micronutrient supplementation is widely used to combat these deficiencies. However, micronutrient deficiencies often occur concurrent...
Vitamin K intake and bone mineral density in women and men
Vitamin K intake bone mineral density hip
2016/12/29
Low dietary vitamin K intake has been associated with an increased risk of hip fracture in men and women. Few data exist on the association between dietary vitamin K intake and bone mineral density (B...
Calcium, vitamin D, milk consumption, and hip fractures: a prospective study among postmenopausal women
Calcium vitamin D milk
2016/12/29
Short trials of calcium supplementation show that it reduces loss of bone density in postmenopausal women; longer observational studies do not generally find a lower risk of hip fracture with higher-c...
Vitamin B-12 metabolism in HIV-infected patients in the age of highly active antiretroviral therapy: role of homocysteine in assessing vitamin B-12 status
HIV vitamin B-12 folate
2016/12/29
Before the advent of highly active antiretroviral therapy (HAART), 20% and 10% of HIV-infected patients had low vitamin B-12 and red blood cell folate (RBCF) concentrations, respectively. However, few...
Vitamin C augments lymphocyte glutathione in subjects with ascorbate deficiency
ascorbate deficiency Vitamin C
2016/12/28
The effect of vitamin C supplements was determined in a sequential study with time points before supplementation, after 13 wk of vitamin C supplements (500 or 1000 mg/d), and after 13 wk of matching p...
Influence of environmental tobacco smoke on vitamin C status in children
ascorbic acid vitamin C cigarette smoking
2016/12/27
It is known that vitamin C status is compromised in smokers. The vitamin C status of nonsmokers who are exposed to environmental tobacco smoke (ETS) is now being elucidated.
No enhancing effect of vitamin A on iron absorption in humans
Vitamin A retinyl palmitate iron absorption
2016/12/27
Vitamin A and β-carotene were recently reported to enhance iron absorption by counteracting the inhibitory effect of phytic acid in cereal-based meals and of polyphenol-containing beverages on nonheme...
Several studies have reported that even a moderate daily dose of supplementary vitamin C (200 mg) induces the formation of genotoxins from lipid hydroperoxides, thereby resulting in DNA damage and ini...
Spread supplemented with moderate doses of vitamin E and carotenoids reduces lipid peroxidation in healthy, nonsmoking adults
Antioxidant capacity oxidation resistance malondialdehyde
2017/1/4
High doses of vitamin E have been shown to decrease lipid peroxidation in persons under oxidative stress. At present, the data are insufficient to predict whether lower doses offer the same benefit in...
Long-latency deficiency disease: insights from calcium and vitamin D
index disease calcium vitamin D
2017/1/4
Nutrient intake recommendations and national nutritional policies have focused primarily on prevention of short-latency deficiency diseases. Most nutrient intake recommendations today are based on pre...
B vitamin status and concentrations of homocysteine and methylmalonic acid in elderly German women
women dietary intake vitamins
2017/1/4
Prior investigations found that elderly persons are at higher risk than are younger persons for B vitamin deficiency, which leads to elevated plasma total homocysteine (tHcy) concentrations that are a...