Vitamin A Deficiency News and Research

RSS

Researchers examine relationship between vitamin D deficiency and cognitive impairment

Vitamin D deficiency and cognitive impairment are common in older adults, but there isn't a lot of conclusive research into whether there's a relationship between the two.

16 Apr 2014

UK study finds link between low vitamin D status and non-alcoholic fatty liver disease in British children

A UK study investigating the link between low vitamin D status and non-alcoholic fatty liver disease (NAFLD) in British children has identified a genetic variant associated with the disease's severity.

15 Apr 2014

Many women and children in Vietnam have vitamin D and calcium deficiency

Many women and children in Vietnam have a vitamin D or calcium insufficiency or deficiency. Unknown until know, this is a public health issue whose magnitude has just been discovered by researchers at the IRD and the National Nutrition Institute of Hanoi.

4 Apr 2014

New research suggests why vitamin D deficiency screening tests have gained more importance

New research from Wake Forest Baptist Medical Center suggests that physicians are ordering vitamin D deficiency screening tests for preventive care purposes rather than after patients develop conditions caused by decreased bone density.

2 Apr 2014

Lower levels of vitamin D predict extent of coronary artery disease

Vitamin D deficiency is an independent risk factor for heart disease with lower levels of vitamin D being associated with a higher presence and severity of coronary artery disease, according to research to be presented at the American College of Cardiology's 63rd Annual Scientific Session.

28 Mar 2014

Loyola study finds fewer children at risk of inadequate or deficient vitamin D levels

Under new guidelines from the Institute of Medicine, the estimated number of children who are at risk for having insufficient or deficient levels of vitamin D is drastically reduced from previous estimates, according to a Loyola University Chicago Stritch School of Medicine study.

26 Mar 2014

Researchers examine effect of vitamin D supplementation on depression

Vitamin D deficiency has been implicated in numerous health conditions in recent years, including depressed mood and major depressive disorder.

19 Mar 2014

Calcium and vitamin D supplements can improve cholesterol profiles in postmenopausal women

Calcium and vitamin D supplements after menopause can improve women's cholesterol profiles. And much of that effect is tied to raising vitamin D levels, finds a new study from the Women's Health Initiative just published online in Menopause, the journal of The North American Menopause Society.

6 Mar 2014

OPKO Health consolidated revenues increase about 30% to $20.7 million in Q4 2013

OPKO Health, Inc., a multi-national biopharmaceutical and diagnostics company, today reported operating and financial results for its 2013 fourth quarter and full year ended December 31, 2013.

4 Mar 2014

Researchers examine whether vitamin D deficiency occurs during early stage of type 1 diabetes

Low levels of vitamin D are commonly found in people with type 1 diabetes. But even children who have multiple positive islet autoantibodies without manifest type 1 diabetes have lower levels of vitamin D in their blood.

28 Feb 2014

Study demonstrates impact of vitamin D on social behavior linked with ASD

A new study by Rhonda Patrick, PhD and Bruce Ames, PhD of Children's Hospital Oakland Research Institute (CHORI) demonstrates the impact that Vitamin D may have on social behavior associated with Autism Spectrum Disorder (ASD).

26 Feb 2014

Vitamin C may reduce risk of most common type of hemorrhagic stroke, says study

Eating foods that contain vitamin C may reduce your risk of the most common type of hemorrhagic stroke, according to a study released today that will be presented at the American Academy of Neurology's 66th Annual Meeting in Philadelphia, April 26 to May 3, 2014.

17 Feb 2014

First evidence of link between prenatal vitamin A deficiency and postnatal asthma

A team of Columbia University Medical Center (CUMC) investigators led by Wellington V. Cardoso, MD, PhD, has found the first direct evidence of a link between prenatal vitamin A deficiency and postnatal airway hyperresponsiveness, a hallmark of asthma.

13 Feb 2014

Study provides extensive review of incidence, risk factors and characteristics of skin cancer in people of color

While people of color have a lower risk of developing skin cancer than Caucasians, they are not immune to the disease. In fact, skin cancer is often diagnosed at a more advanced stage in people of color, which can make it more difficult to treat.

6 Feb 2014

Women with vitamin D deficiency during pregnancy may be at risk of developing severe preeclampsia

Women who are deficient in vitamin D in the first 26 weeks of their pregnancy may be at risk of developing severe preeclampsia, a potentially life-threatening disorder diagnosed by an increase in blood pressure and protein in the urine, according to research by the University of Pittsburgh Graduate School of Public Health.

28 Jan 2014

Study examines existing evidence related to health benefits of vitamin D

A new study concludes that evidence is lacking for substantial health benefits of vitamin D – and that results of several multimillion-dollar trials currently underway are unlikely to alter this view.

24 Jan 2014

Bread can now become daily sources of vitamin D when baked with Lallemand's baker's yeast

Lallemand is pleased to announce that the European Food Safety Authority (EFSA) has issued a positive opinion on the use of Vitamin D2 rich baker's yeast (Saccharomyces Cerevisiae) in yeast-leavened bread, rolls, fine bakery wares and food supplements.

22 Jan 2014

Vitamin D deficiency may lead to stiffening of blood vessels

UV-B radiation in sunlight is the most important factor for the production of vitamin D, and that is why many people suffer from low levels of vitamin D during the winter months.

20 Jan 2014

Vitamin D may be adjunct for patients with fibromyalgia syndrome, say researchers

Patients with fibromyalgia syndrome (FMS) typically have widespread chronic pain and fatigue. For those with low vitamin D levels, vitamin D supplements can reduce pain and may be a cost-effective alternative or adjunct to other treatment, say researchers in the January 2014 issue of PAIN-.

17 Jan 2014

Studies offer new insight into diverticulosis

Diverticulosis, a condition that develops when pouches form in the wall of the colon, is increasing in frequency. It affects the majority of those reaching the age of 80 - a growing portion of the population - and imposes a substantial burden on health-care resources, but curiously there is a lack of data and unanswered questions around this condition.

18 Dec 2013