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Article
Vitamin B12 intake and related biomarkers: Associations in a Dutch elderly population
Vitamin B12 status is measured by four plasma/serum biomarkers: total vitamin B12 (total B12), holotranscobalamin (holoTC), methylmalonic acid (MMA) and homocysteine (tHcy). Associations of B12 intake with hol...
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Article
Open AccessLow vitamin D status is associated with more depressive symptoms in Dutch older adults
The existence of vitamin D receptors in the brain points to a possible role of vitamin D in brain function. We examined the association of vitamin D status and vitamin D-related genetic make-up with depressive...
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Article
Arterial stiffness is not associated with bone parameters in an elderly hyperhomocysteinemic population
Several studies have observed positive associations between bone disease and cardiovascular disease. A potential common pathway is hyperhomocysteinemia; however, to date, there is a lack of data regarding hype...
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Article
BMI and body fat mass is inversely associated with vitamin D levels in older individuals
To assess the association between obesity (measured by Body Mass Index (BMI) and fat percentage) and serum 25(OH)D levels in older persons.
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Article
The Association Between Vitamin D Status and Parameters for Bone Density and Quality is Modified by Body Mass Index
The association of vitamin D status with bone mineral density (BMD) and Quantitative Ultrasound measurements (QUS) has been inconsistent in previous studies, probably caused by moderating effects. This study e...
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Article
Low vitamin D status is associated with reduced muscle mass and impaired physical performance in frail elderly people
Serum 25-hydroxyvitamin D (25(OH)D) status has been associated with muscle mass, strength and physical performance in healthy elderly people. Yet, in pre-frail and frail elderly people this association has not...
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Article
Homocysteine and the methylenetetrahydrofolate reductase 677C→T polymorphism in relation to muscle mass and strength, physical performance and postural sway
Elevated plasma homocysteine has been linked to reduced mobility and muscle functioning in the elderly. The relation of methylenetetrahydrofolate reductase (MTHFR) 677C→T polymorphism with these associations h...
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Article
Vitamin D: do we get enough?
On September 29, 2011, acknowledged experts in the field of vitamin D, mainly European, were brought together in order to discuss the recent scientific advances in relation to vitamin D: the current requiremen...
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Article
Vitamin D status is associated with physical performance: the results of three independent cohorts
This study, on the association between vitamin D status and physical performance and its decline, shows that vitamin D status is associated with physical performance in several older age groups. However, vitam...