Vitamin A Deficiency News and Research

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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

Low vitamin D a consequence not a cause of ill health

Low vitamin D status is a marker of ill health rather than an underlying cause of disease, say the authors of a systematic review published in The Lancet Diabetes and Endocrinology.

16 Dec 2013

Acid-inhibiting medications linked with increased risk for vitamin B12 deficiency

Use for 2 or more years of proton pump inhibitors and histamine 2 receptor antagonists (two types of acid-inhibiting medications) was associated with a subsequent new diagnosis of vitamin B12 deficiency, according to a study appearing in the December 11 issue of JAMA.

11 Dec 2013

Beta-carotene: An important and safe precursor for vitamin A

A Case Western Reserve University School of Medicine study in the November 22 issue of Journal of Biological Chemistry, explains how vitamin A is generated from beta carotene, its dietary precursors. The discovery sheds new light into how beta carotene’s enzymes are utilized differently contributing to the vitamin’s production. This insight will help guide solutions for vitamin A deficiency, a global public health problem affecting more than half of all countries, according to the World Health Organization.

11 Dec 2013

Study links vitamin B12 deficiency to acid-suppressing medications

Long-term use of commonly prescribed heartburn and ulcer medications is linked to a higher risk of vitamin B12 deficiency, according to a new study published online in the Journal of the American Medical Association.

10 Dec 2013

Low vitamin D levels: Not a cause but a consequence of ill health

A comprehensive review of the evidence suggests that low vitamin D levels are not a cause but a consequence of ill health, casting strong doubt on the value of vitamin D supplements to protect against acute and chronic disorders such as cancer, cardiovascular disease, diabetes, Parkinson’s disease, and even death.

6 Dec 2013

Study: Diet low in vitamin D can cause free radical damage in brain

A new study led by University of Kentucky researchers suggests that a diet low in vitamin D causes damage to the brain.

2 Dec 2013

Black women with vitamin D deficiency during pregnancy more likely to deliver preterm babies

African-American and Puerto Rican women who have low levels of vitamin D during pregnancy are more likely to go into labor early and give birth to preterm babies, research led by the University of Pittsburgh Graduate School of Public Health reveals.

31 Oct 2013