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Observations studies documented a correlation between plasma concentrations of homocysteine and cognitive decline with age. The study hypothesis was that high doses of B-vitamins (as effective homocysteine lowering treatment) can improve cognitive function in elderly people.
we performed a treatment with therapeutic doses of B-vitamins (folic acid, cobalamin, vitamin B6) for 45 days. we collected blood and tested the concentrations of the metabolic markers in blood at start, 3 weeks later and at the end. cognitive function was tested at sart and at the end.
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Prevention
Published on BioPortfolio: 2014-08-27T03:14:53-0400
Background: Vitamin B12 and folate are essential to brain health. Sub optimal status of vitamin B12 and folate leads to elevation of plasma homocysteine concentration, which is associated ...
In a cross-over study the investigators evaluate the effects of natural (Panmol-B-Complex) versus synthetic vitamin B complexes to identify the bioavailability of distinct vitamins as well...
The objective of the study is to evaluate the influence of vitamin D supplementation on Serum Brain Derived Neurotrophic Factor level and cognitive function in schizophrenia treated with a...
Serum 25(OH)D, dietary and supplemental vitamin D were shown to influence cognitive outcomes in large epidemiological studies. Sex/age-specific and race-specific associations of vitamin D ...
PRIMARY: To assess the safety of nimodipine in the treatment of HIV-Associated Motor / Cognitive Complex (formerly AIDS dementia complex). To assess the systemic or central nervous system ...
Low blood level of vitamin D and low physical activity have been linked to the development of cognitive impairment in older adults. The purpose of the present study was to examine the relationship bet...
Objectives: Elevated plasma total homocysteine (tHcy) is associated with increased risk of cardiovascular disease, stroke and dementia. Results of clinical trials using B-vitamins to reduce the cognit...
Serum 25-hydroxyvitamin D [25(OH)D], dietary and supplemental vitamin D may influence cognitive outcomes.
Mild cognitive impairment (MCI) has an increased rate of progression to dementia. Alterations of some metabolic factors, such as deficiency of vitamin D, are a risk factor for cognitive deterioration....
Although the relationship between atherosclerosis and cognitive impairment has been studied and replicated, whether cognitive deficits in RA can be attributed to atherosclerotic changes is not well un...
A set of cognitive functions that controls complex, goal-directed thought and behavior. Executive function involves multiple domains, such as CONCEPT FORMATION, goal management, cognitive flexibility, INHIBITION control, and WORKING MEMORY. Impaired executive function is seen in a range of disorders, e.g., SCHIZOPHRENIA; and ADHD.
A lipid cofactor that is required for normal blood clotting. Several forms of vitamin K have been identified: VITAMIN K 1 (phytomenadione) derived from plants, VITAMIN K 2 (menaquinone) from bacteria, and synthetic naphthoquinone provitamins, VITAMIN K 3 (menadione). Vitamin K 3 provitamins, after being alkylated in vivo, exhibit the antifibrinolytic activity of vitamin K. Green leafy vegetables, liver, cheese, butter, and egg yolk are good sources of vitamin K.
The coenzyme form of Vitamin B1 present in many animal tissues. It is a required intermediate in the PYRUVATE DEHYDROGENASE COMPLEX and the KETOGLUTARATE DEHYDROGENASE COMPLEX.
A condition due to deficiency in any member of the VITAMIN B COMPLEX. These B vitamins are water-soluble and must be obtained from the diet because they are easily lost in the urine. Unlike the lipid-soluble vitamins, they cannot be stored in the body fat.
A nutritional condition produced by a deficiency of VITAMIN D in the diet, insufficient production of vitamin D in the skin, inadequate absorption of vitamin D from the diet, or abnormal conversion of vitamin D to its bioactive metabolites. It is manifested clinically as RICKETS in children and OSTEOMALACIA in adults. (From Cecil Textbook of Medicine, 19th ed, p1406)
Blood is a specialized bodily fluid that delivers necessary substances to the body's cells (in animals) – such as nutrients and oxygen – and transports waste products away from those same cells. In vertebrates, it is composed of blo...
Within medicine, nutrition (the study of food and the effect of its components on the body) has many different roles. Appropriate nutrition can help prevent certain diseases, or treat others. In critically ill patients, artificial feeding by tubes need t...