Browsing Bergen Open Research Archive by Title
Now showing items 33353-33372 of 34308
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Vital rates in early life history underlie shifts in biotic interactions along bioclimatic gradients: An experimental test of the Stress Gradient Hypothesis
(Journal article; Peer reviewed, 2021)Question The Stress Gradient Hypothesis (SGH) predicts that competition and facilitation shift along stress gradients. We ask if the underlying mechanisms operate at specific points in plant life history, and if patterns ... -
Vitamin B status and association with antiseizure medication in pregnant women with epilepsy
(Journal article; Peer reviewed, 2021)Objective Antiseizure medication (ASM) use interacts with vitamin B status in nonpregnant epilepsy populations. We aimed to examine the association between ASM and vitamin B status in pregnant women with epilepsy. Methods ... -
Vitamin B12 and folate status in pregnant females and their infants in Norway: Secondary analysis from the Mommy´s Food Study
(Journal article; Peer reviewed, 2023)Background: Vitamin B12 and folate are essential micronutrients important for normal infant growth and development. Objectives: The aims were to describe vitamin B12 and folate status in pregnant females and their infants ... -
Vitamin B12 and folic acid improve gross motor and problem-solving skills in young North Indian children: A randomized placebo-controlled trial
(Peer reviewed; Journal article, 2015-06-22)Objectives Deficiencies of vitamin B12 and folate are associated with delayed development and neurological manifestations. The objective of this study was to measure the effect of daily supplementation of vitamin B12 and/or ... -
Vitamin B12 concentrations in milk from Norwegian women during the six first months of lactation
(Journal article; Peer reviewed, 2020)Background: Human milk vitamin B12 (B12) concentrations depend on maternal status and intake; only few data are available in high-income countries. Objective: We assessed human milk B12 concentrations during the first 6 ... -
Vitamin B12 Deficiency (Un-)Detected Using Newborn Screening in Norway
(Journal article; Peer reviewed, 2023)Untreated vitamin B12 (B12) deficiency may cause delayed development in infants. Several newborn screening (NBS) programs have reported an increased detection rate of B12 deficiency when second-tier dried blood spot (DBS) ... -
Vitamin B12 Levels, Substance Use Patterns and Clinical Characteristics among People with Severe Substance Use Disorders: A Cohort Study from Western Norway
(Journal article; Peer reviewed, 2022)People with severe substance use disorder (SUD) have a higher burden of micronutrient deficiency compared with the general population. The aim of this study was to investigate vitamin B12 status and risk factors of deficiency ... -
Vitamin B12 status in infancy and the effect of a vitamin B12 injection in infants with subclinical vitamin B12 deficiency: study protocol for a register-based randomised controlled trial
(Journal article; Peer reviewed, 2023)Introduction: Vitamin B12 (cobalamin) is crucial for optimal child development and growth, yet deficiency is common worldwide. The aim of this study is twofold; (1) to describe vitamin B12 status and the status of other ... -
Vitamin B6 catabolism and lung cancer risk: Results from the Lung Cancer Cohort Consortium (LC3)
(Journal article; Peer reviewed, 2019-03)Background Increased vitamin B6 catabolism related to inflammation, as measured by the PAr index (the ratio of 4-pyridoxic acid over the sum of pyridoxal and pyridoxal-5'-phosphate), has been positively associated with ... -
Vitamin D as a risk factor for patient survival after kidney transplantation: A prospective observational cohort study
(Peer reviewed; Journal article, 2019)Background: Short‐term survival after kidney transplantation is excellent, but long‐term survival remains low and is equivalent to non‐end‐stage renal disease patients with many invasive malignancies. The aim of the study ... -
Vitamin D Deficiency is Associated with Increased Use of Antimicrobials among Preschool Girls in Ethiopia
(Peer reviewed; Journal article, 2019-03-07)Preschool children in Addis Ababa, Ethiopia, are highly exposed to influenza viruses. Factors related to infections, nutrition, and environmental conditions that might explain the burden of influenza among these children ... -
Vitamin D levels, brain volume, and genetic architecture in patients with psychosis
(Peer reviewed; Journal article, 2018-08-24)Background: Lower vitamin D levels are found in people with schizophrenia and depressive disorders, and also associated with neuroimaging abnormalities such as reduced brain volume in both animals and humans. Reduced whole ... -
Vitamin D predicts all-cause and cardiac mortality in females with suspected acute coronary syndrome: a comparison with brain natriuretic peptide and high-sensitivity C-reactive protein
(Peer reviewed; Journal article, 2013)Vitamin D may not only reflect disease but may also serve as a prognostic indicator. Our aim was to assess the gender-specific utility of vitamin D measured as 25-hydroxy-vitamin D [25(OH)D] to predict all-cause and cardiac ... -
Vitamin D status and associations with substance use patterns among people with severe substance use disorders in Western Norway
(Journal article; Peer reviewed, 2022)Chronic and harmful substance use is associated with a cluster of harms to health, including micronutrient deficiencies. Maintaining adequate levels of vitamin D is important for musculoskeletal and other aspects of health. ... -
Vitamin D status and cardiovascular disease. Observational studies in patients who underwent coronary angiography
(Doctoral thesis, 2016-01-19)Background: Vitamin D is required to maintain a healthy cardiovascular system, but it is unknown whether variation in vitamin D status in the general population is physiologically relevant to development of cardiovascular ... -
Vitamin D status and child health, growth, and neurodevelopment
(Doctoral thesis, 2020-08-12)Background: Vitamin D deficiency is one of the most commonly under diagnosed micronutrient deficiencies in the world. Both animal and human studies suggest that vitamin D plays an important role in innate and adaptive ... -
Vitamin D Status and Its Determinants in a Paediatric Population in Norway
(Journal article; Peer reviewed, 2020)Recommendations for sufficient vitamin D intake in children were recently revised in Norway. However, optimal levels of vitamin D are still debated and knowledge on supplementation and vitamin D levels in healthy children ... -
Vitamin D Status and Physical Activity during Wintertime in Forensic Inpatients—A Randomized Clinical Trial
(Journal article; Peer reviewed, 2021)This study aimed to gain deeper knowledge about the relationship between vitamin D and physical activity in a sample of forensic inpatients. Sixty-seven male forensic inpatients participated. Participants were randomly ... -
Vitamin D supplementation and its influence on musclestrength and mobility in community-dwelling olderpersons: a systematic review and meta-analysis
(Peer reviewed; Journal article, 2017-02)Background: It has been suggested that vitamin D status or supplementation is important for maintaining or improving muscle strength and mobility in older adults. The study results, however, do not provide consistent ... -
Vitamin D supplementation during winter: Effects on stress resilience in a randomized control trial
(Journal article; Peer reviewed, 2020)Vitamin D status may be important for stress resilience. This study investigated the effects of vitamin D supplements during winter on biological markers of stress resilience such as psychophysiological activity, serotonin, ...