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Matti Narkia

Women With Breast Cancer Have Low Vitamin D Levels - 0 views

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    "ScienceDaily (Oct. 8, 2009) - Women with breast cancer should be given high doses of vitamin D because a majority of them are likely to have low levels of vitamin D, which could contribute to decreased bone mass and greater risk of fractures, according to scientists at the University of Rochester Medical Center."

    Scientists funded by the NCI analyzed vitamin D levels in each woman, and the average level was 27 nanograms per milliliter; more than two-thirds of the women had vitamin deficiency. Weekly supplementation with high doses of vitamin D -- 50,000 international units or more -- improved the levels, according to Peppone's study.

    The U.S. Institute of Medicine suggests that blood levels nearing 32 nanograms per milliliter are adequate.
Matti Narkia

Is more sun the answer to low vitamin D? | Wellcome Trust - 0 views

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    A study of Caucasian female twins prompts researchers to ask if public health advice to avoid the sun could be causing low vitamin D levels.

    Research produced by the Department of Twin Research and Genetic Epidemiology, King's College London, has shown that vitamin D levels are lower in fair-skinned Caucasian women than in Caucasian women with darker skin type.

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    "It will be very interesting to see the results of the genetic analysis that the authors propose - especially of polymorphisms [genetic variants] in D binding protein. Variants in this protein associate strongly with skin colour, and also with vitamin D status, so may end up being explanatory.
Matti Narkia

Millions Of U.S. Children Low In Vitamin D - 0 views

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    ScienceDaily (Aug. 3, 2009) - Seven out of ten U.S. children have low levels of vitamin D, raising their risk of bone and heart disease, according to a study of over 6,000 children by researchers at Albert Einstein College of Medicine of Yeshiva University. The striking findings suggest that vitamin D deficiency could place millions of children at risk for high blood pressure and other risk factors for heart disease.
Matti Narkia

Vitamin D may help prevent knee osteoarthritis | Health | Reuters - 0 views

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    NEW YORK (Reuters Health) - Low levels of vitamin D are associated with the loss of cartilage in the knee joint of older individuals, researchers in Australia report
Matti Narkia

Low vitamin D levels may impair thinking | Health | Reuters - 0 views

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    NEW YORK (Reuters Health) - New research suggests that low vitamin D levels in the body are associated with thinking or "cognitive" impairments in older men, but whether vitamin D supplements can help is not yet known.

    In the study, an investigation of European men, subjects with low levels of vitamin D scored worse on a standard test of cognitive ability than did their peers with normal levels, Dr. David M. Lee, from the University of Manchester, UK, and co-researchers found. Although, the authors emphasize, the difference in scores was not that great.
Matti Narkia

Relationship Between Vitamin D Deficiency And Increased Inflammation In Healthy Women - 0 views

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    According to a recent study in the Archives of Internal Medicine, 75 percent of Americans do not get enough Vitamin D. Researchers have found that the deficiency may negatively impact immune function and cardiovascular health and increase cancer risk. Now, a University of Missouri nutritional sciences researcher has found that vitamin D deficiency is associated with inflammation, a negative response of the immune system, in healthy women.
Matti Narkia

Journal of Inflammation | Full text | Serum tumor necrosis factor-alpha concentrations ... - 0 views

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    Serum tumor necrosis factor-alpha concentrations are negatively correlated with serum 25(OH)D concentrations in healthy women.
    Peterson CA, Heffernan ME.
    J Inflamm (Lond). 2008 Jul 24;5:10.
    PMID: 18652680
    doi:10.1186/1476-9255-5-10

    Conclusion
    Serum 25(OH)D status is inversely related to TNF-α concentrations in healthy women, which may in part explain this vitamin's role in the prevention and treatment of inflammatory diseases. Results gleaned from this investigation also support the need to re-examine the biological basis for determining optimal vitamin D status.
Matti Narkia

Vitamin D: The alternative hypothesis. - ScienceDirect - Autoimmunity Reviews, 2009 - 0 views

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    Albert et al. Vitamin D: The alternative hypothesis.
    Autoimmunity Reviews, 2009
    doi:10.1016/j.autrev.2009.02.011 
Matti Narkia

Low Levels Of Vitamin D In Patients With Autoimmune Disease May Be Result, Not Cause, O... - 0 views

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    ScienceDaily (Apr. 8, 2009) - Deficiency in vitamin D has been widely regarded as contributing to autoimmune disease, but a review appearing in Autoimmunity Reviews explains that low levels of vitamin D in patients with autoimmune disease may be a result rather than a cause of disease and that supplementing with vitamin D may actually exacerbate autoimmune disease.
Matti Narkia

Mean Serum 25(OH)D Levels Decreasing in All Categories of the US Population - 0 views

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    March 27, 2009 - A significant decrease in serum 25-hydroxyvitamin D (25[OH]D) levels has led to an increase in vitamin D insufficiency in the US population, especially in racial and ethnic groups, according to results of a population-based study reported in the March 23 issue of the Archives of Internal Medicine.

    "Vitamin D insufficiency has been associated with increases in cardiovascular disease, cancer, and infection," write Adit A. Ginde, MD, from the Department of Emergency Medicine at the University of Colorado Denver School of Medicine, Aurora, Colorado, and colleagues. "Vitamin D supplementation appears to mitigate the incidence and adverse outcomes of these diseases and may reduce all-cause mortality."

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    "These findings have important implications for health disparities and public health," the study authors conclude. "Our data provide additional evidence that current recommendations for vitamin D supplementation (200-600 IU/d) are inadequate to achieve optimal serum 25(OH)D levels in most of the US population." They add that large, randomized controlled trials of higher doses of vitamin D supplementation are needed to evaluate their effect on general health and mortality.
Matti Narkia

Lower serum creatinine is a new risk factor of type 2 diabetes: the Kansai healthcare s... - 0 views

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    Lower serum creatinine is a new risk factor of type 2 diabetes: the Kansai healthcare study.
    Harita N, Hayashi T, Sato KK, Nakamura Y, Yoneda T, Endo G, Kambe H.
    Diabetes Care. 2009 Mar;32(3):424-6. Epub 2008 Dec 15.
    PMID: 19074997
    DOI: 10.2337/dc08-1265
Matti Narkia

Not enough vitamin D in the diet could mean too much fat on adolescents - 0 views

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    AUGUSTA, Ga. - Too little vitamin D could be bad for more than your bones; it may also lead to fatter adolescents, researchers say.\n\nA Medical College of Georgia study of more than 650 teens age 14-19 has found that those who reported higher vitamin D intakes had lower overall body fat and lower amounts of the fat in the abdomen, a type of fat known as visceral fat, which has been associated with health risks such as heart disease, stroke, diabetes and hypertension
Matti Narkia

Low Vitamin D Hurts Teenagers' Hearts - 0 views

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    March 11, 2009 -- Low vitamin D levels greatly increase a teenager's risk of diabetes and heart disease, Johns Hopkins researchers find.

    It is becoming clear that adults who get too little vitamin D are at higher risk for diabetes and heart disease. Now, it appears vitamin D levels also affect these risks earlier in life, say Johns Hopkins researchers Jared P. Reis, PhD, and colleagues.
Matti Narkia

Low vitamin D may be a bigger problem than thought - 0 views

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    Many U.S. teenagers -- including half of African Americans -- would be considered vitamin D-deficient if the definition of deficiency were changed to what many experts recommend, a new study finds.

    Right now, people are considered to have an overt deficiency in vitamin D when blood levels drop below 11 nanograms per milliliter (ng/mL), but there is debate over how the optimal vitamin D level should be define
Matti Narkia

Not enough vitamin D: health consequences for Canadians. - Can Fam Physician. 2007 May - 0 views

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    Not enough vitamin D: health consequences for Canadians.\nSchwalfenberg G.\nCan Fam Physician. 2007 May;53(5):841-54. Review.\nPMID: 17872747 \n
Matti Narkia

Association between vitamin D status and physical performance: the InCHIANTI study. - J... - 0 views

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    Association between vitamin D status and physical performance: the InCHIANTI study.\nHouston DK, Cesari M, Ferrucci L, Cherubini A, Maggio D, Bartali B, Johnson MA, Schwartz GG, Kritchevsky SB.\nJ Gerontol A Biol Sci Med Sci. 2007 Apr;62(4):440-6.\nPMID: 17452740
Matti Narkia

Vitamin D and Death - Journal Watch Dermatology - 0 views

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    Vitamin D protects bone, preserves muscle strength, and regulates cell growth and energy metabolism. It also offers some protection against cancer and other disease, but are these effects really important for health and life expectancy? The answer seems to be a resounding yes.
Matti Narkia

Association of vitamin D deficiency with heart failure and sudden cardiac death in a la... - 0 views

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    Association of vitamin D deficiency with heart failure and sudden cardiac death in a large cross-sectional study of patients referred for coronary angiography.\nPilz S, März W, Wellnitz B, Seelhorst U, Fahrleitner-Pammer A, Dimai HP, Boehm BO, Dobnig H.\nJ Clin Endocrinol Metab. 2008 Oct;93(10):3927-35. Epub 2008 Aug 5.\nPMID: 18682515
Matti Narkia

Prevalence of Vitamin D Insufficiency in Patients With Parkinson Disease and Alzheimer ... - 0 views

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    Prevalence of vitamin d insufficiency in patients with Parkinson disease and Alzheimer disease.\nEvatt ML, Delong MR, Khazai N, Rosen A, Triche S, Tangpricha V.\nArch Neurol. 2008 Oct;65(10):1348-52.\nPMID: 18852350
Matti Narkia

Vitamin D and cardiovascular disease risk. [Curr Opin Clin Nutr Metab Care. 2008] - Pub... - 0 views

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    Vitamin D and cardiovascular disease risk.
    Michos ED, Melamed ML.
    Curr Opin Clin Nutr Metab Care. 2008 Jan;11(1):7-12. Review.
    PMID: 18090651
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