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Growing evidence of vitamin K benefits for heart health
Vitamin K atherosclerosis cardiovascular disease
2021/8/10
New research has found that people who eat a diet rich in vitamin K have up to a 34 percent lower risk of atherosclerosis-related cardiovascular disease (conditions affecting the heart or blood vessel...
The D-lemma: narrow-band UV type B radiation versus vitamin D supplementation versus sunlight for cardiovascular and immune health
narrow-band UV type B vitamin D immune health
2018/11/13
In this issue of the Journal, Ponda et al. (1) report on the role of vitamin D and narrow-band UV type B (UVB) irradiation on the blood lipid profile of healthy adults. They previously observed that t...
Cornell team devises rapid test for vitamin A,iron deficits
Cornell team rapid test vitamin A iron deficits
2017/12/19
Cornell engineers and nutritionists have created a swift solution for a challenging global health problem: a low-cost, rapid test to detect iron and vitamin A deficiencies at the point of care. Their ...
Functional vitamin B-6 status and long-term mortality in renal transplant recipients
cancer functional vitamin B-6 status infectious disease long-term mortality renal transplantation
2018/11/21
Background: Low plasma concentrations of pyridoxal 5′-phosphate (PLP) are common in renal transplant recipients (RTRs) and confer increased risk of long-term mortality. To our knowledge, it is not kno...
Intake of niacin, folate, vitamin B-6, and vitamin B-12 through young adulthood and cognitive function in midlife: the Coronary Artery Risk Development in Young Adults (CARDIA) study
epidemiology cognitive function niacin folate vitamin B-6 vitamin B-12 middle age
2018/11/16
Background: Epidemiologic evidence regarding niacin, folate, vitamin B-6, and vitamin B-12 intake in relation to cognitive function is limited, especially in midlife.
Intake of niacin, folate, vitamin B-6, and vitamin B-12 through young adulthood and cognitive function in midlife: the Coronary Artery Risk Development in Young Adults (CARDIA) study
epidemiology cognitive function niacin folate vitamin B-6 vitamin B-12 middle age
2018/11/20
Background: Epidemiologic evidence regarding niacin, folate, vitamin B-6, and vitamin B-12 intake in relation to cognitive function is limited, especially in midlife.
Vitamin D and incident dementia and cognitive impairment
Olsson incident dementia 25-hydroxyvitamin D 25(OH)D concentrations
2018/11/16
A study in Sweden by Olsson et al. (1) did not find an association of incident dementia or cognitive impairment with 25-hydroxyvitamin D [25(OH)D] concentrations measured at the time of enrollment for...
Vitamin B-6 deficiency is common and associated with poor long-term outcome in renal transplant recipients
vitamin B-6 deficiency pyridoxal 5′-phosphate kidney transplantation diabetes mellitus inflammation long-term mortality long-term graft failure
2018/11/14
Background: Previous studies have reported low circulating concentrations of pyridoxal-5-phospate (PLP) in renal transplant recipients (RTRs). It is unknown whether this is because of low intake or al...
Vitamin B-6 and colorectal cancer risk: a prospective population-based study using 3 distinct plasma markers of vitamin B-6 status
biomarkers colorectal cancer inflammation metabolite ratios vitamin B-6
2018/11/13
Background: Higher plasma concentrations of the vitamin B-6 marker pyridoxal 5′-phosphate (PLP) have been associated with reduced colorectal cancer (CRC) risk. Inflammatory processes, including vitami...
The results of prospective vitamin E clinical trials, however, have been disappointing. Ten previous studies examined the effects of various combinations of antioxidants, including α-tocopherol, ascor...
Hyperhomocysteinemia and vitamin B-12 deficiency in elderly using Title IIIc nutrition services
Vitamin B-12 folate pepsinogen I
2016/12/28
The effect of the folate food fortification program on the prevalence of hyperhomocysteinemia in the older population with coexisting vitamin B-12 deficiency is not known.
Hypercalcemia, hypercalciuria, and kidney stones in long-term studies of vitamin D supplementation: a systematic review and meta-analysis
hypercalcemia hypercalciuria kidney stones randomized controlled trials vitamin D supplements
2018/12/18
Background: Vitamin D supplementation is increasingly being used in higher doses in randomized controlled trials (RCTs). However, adverse events from very large annual doses of vitamin D have been sho...
Plasma folate, vitamin B-6, and vitamin B-12 and breast cancer risk in BRCA1- and BRCA2-mutation carriers: a prospective study
BRCA BRCA1 BRCA2 breast cancer B vitamins epidemiology folate hereditary breast cancer vitamin B-6 vitamin B-12
2018/12/14
Background: B vitamins [vitamins B-6, B-9 (folate), and B-12] play important roles in nucleotide biosynthesis and biological methylation reactions, aberrancies of which have all been implicated in car...
Effect of vitamin D replacement on indexes of insulin resistance in overweight elderly individuals: a randomized controlled trial
HOMA insulin resistance prediabetes IOM RDA high-dose vitamin D
2018/12/13
Background: It is unclear whether and at what dose vitamin D supplementation affects insulin resistance (IR).
Vitamin D status is associated with uteroplacental dysfunction indicated by pre-eclampsia and small-for-gestational-age birth in a large prospective pregnancy cohort in Ireland with low vitamin D status
pre-eclampsia pregnancy small for gestational age vitamin D 25-hydroxyvitamin D
2018/12/3
Background: Associations between vitamin D and pregnancy outcomes have been inconsistent.