Vitamin A Deficiency News and Research

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Earliest known case of rickets in the UK identified in Neolithic Tiree skeleton

Rickets has been identified in a Neolithic skeleton from the Scottish island of Tiree, making it the earliest case of the disease in the UK, according to research announced at the British Science Festival in Bradford.

14 Sep 2015

Bio-fortification of sweet potatoes may help combat vitamin A deficiency in South Africa

Vitamin A deficiency is the leading cause of preventable blindness in children. It also increases the risk of disease and death from severe infections, according to the World Health Organization.

14 Aug 2015

Following restrictive sun exposure advice may be harmful to health

Following restrictive sun exposure advice in countries with low solar intensity like Canada might in fact be harmful to your health, says the co-author of a new study on sunlight and vitamin D.

14 Jul 2015

Study looks at effects of three levels of vitamin D supplementation in overweight, obese blacks

The current recommended minimum daily dose of vitamin D is not sufficient to restore healthy vitamin D levels in overweight or obese blacks, researchers report.

8 Jul 2015

Vitamin B12 supplements offer no benefits for neurological or cognitive function in older people

Vitamin B12 supplements offer no benefits for neurological or cognitive function in older people with moderate vitamin B12 deficiency, according to a new study published in the American Journal of Clinical Nutrition.

3 Jul 2015

Discovery could help scientists reduce global vitamin A deficiency

A research team's discovery of new information about how plants synthesize carotenoids, precursors for vitamin A that are essential for plant development and survival, and human health, could help scientists increase the levels of provitamin A in food crops and reduce global vitamin A deficiency.

16 Jun 2015

Vitamin D deficiency can leave people less able to fight HIV-1 infection

Vitamin D plays an important part in the human immune response and deficiency can leave individuals less able to fight infections like HIV-1. Now an international team of researchers has found that high-dose vitamin D supplementation can reverse the deficiency and also improve immune response.

16 Jun 2015

Orange sweet potato reduces prevalence and duration of diarrhea in children

A new study has found that orange sweet potato (OSP) reduced both the prevalence and duration of diarrhea in young children in Mozambique.

16 Jun 2015

Vitamin D and calcium supplements may not help relieve menopausal symptoms, reveals study

Women who took vitamin D and calcium supplements had the same number of menopausal symptoms as women who did not take the supplements, according to a study published today in Maturitas, the official journal of the European Menopause and Andropause Society.

2 Jun 2015

Pancreatic cancer rates higher in countries with less sunlight

Writing in the April 30 online issue of the Journal of Steroid Biochemistry and Molecular Biology, researchers at University of California San Diego School of Medicine report pancreatic cancer rates are highest in countries with the least amount of sunlight. Low sunlight levels were due to a combination of heavy cloud cover and high latitude.

30 Apr 2015

Higher levels of vitamin D decrease pain, improve function in obese patients with osteoarthritis

Got milk? If you are overweight and have osteoarthritis, you may want to bone up on your dairy products that have vitamin D.

31 Mar 2015

Study highlights the treatable causes of cerebellar ataxias

No cures are possible for most patients who suffer debilitating movement disorders called cerebellar ataxias. But in a few of these disorders, patients can be effectively treated with regimens such as prescription drugs, high doses of vitamin E and gluten-free diets, according to a study in the journal Movement Disorders.

24 Mar 2015

Vitamin D3 and metformin show promising results in preventing colorectal cancer

The concept was simple: If two compounds each individually show promise in preventing colon cancer, surely it's worth trying the two together to see if even greater impact is possible.

24 Mar 2015

Vitamin D plays major role in preventing diabetes and atherosclerosis

In recent years, a deficiency of vitamin D has been linked to type 2 diabetes and heart disease, two illnesses that commonly occur together and are the most common cause of illness and death in Western countries. Both disorders are rooted in chronic inflammation, which leads to insulin resistance and the buildup of artery-clogging plaque.

19 Mar 2015

OSU researchers find link between low levels of vitamin D and depression in young women

A new study from Oregon State University suggests there is a relationship between low levels of vitamin D and depression in otherwise healthy young women.

19 Mar 2015

Recommended intake of vitamin D miscalculated by IOM, experts say

Researchers at UC San Diego and Creighton University have challenged the intake of vitamin D recommended by the National Academy of Sciences Institute of Medicine, stating that their Recommended Dietary Allowance (RDA) for vitamin D underestimates the need by a factor of ten.

18 Mar 2015

Fracture prevention project could help save millions

Bone fractures affect millions of people across the UK with 1 in 2 women and 1 in 5 men over the age of 50 suffering from them . The cost of fragility fractures place a substantial economic burden on the health and social care system with the costs of fragility fractures in the region of £2.3bn .

12 Mar 2015

Chronic heart failure patients with decreased calcitriol may benefit from aggressive supplementation

In patients with chronic heart failure, the vitamin D metabolite 1,25-dihydroxyvitamin D (1,25(OH)2D), also called calcitriol, and its ratio to parathyroid hormone (PTH 1-84) may help predict cardiovascular death; and patients with decreased calcitriol and decreased ratio of calcitriol to PTH might benefit from more aggressive supplementation, a new study finds.

9 Mar 2015

Study finds racial disparities among children with Crohn's disease

A study published recently in the IBD Journal found significant differences in hospital readmissions, medication usage, and both medical and surgical complications of children with Crohn's disease related to race. In the study, black children had a 1.5 times higher frequency of hospital readmissions because of Crohn's disease compared to white children.

28 Feb 2015

WHO urges affected countries to increase investment in tackling neglected tropical diseases

WHO urges affected countries to scale up their investment in tackling 17 neglected tropical diseases in order to improve the health and well-being of more than 1.5 billion people. This investment would represent as little as 0.1% of current domestic expenditure on health in affected low and middle income countries for the period 2015-2030.

19 Feb 2015

Vitamin A Deficiency News and Research

Earliest known case of rickets in the UK identified in Neolithic Tiree skeleton

Bio-fortification of sweet potatoes may help combat vitamin A deficiency in South Africa

Following restrictive sun exposure advice may be harmful to health

Study looks at effects of three levels of vitamin D supplementation in overweight, obese blacks

Vitamin B12 supplements offer no benefits for neurological or cognitive function in older people

Discovery could help scientists reduce global vitamin A deficiency

Vitamin D deficiency can leave people less able to fight HIV-1 infection

Orange sweet potato reduces prevalence and duration of diarrhea in children

Vitamin D and calcium supplements may not help relieve menopausal symptoms, reveals study

Pancreatic cancer rates higher in countries with less sunlight

Higher levels of vitamin D decrease pain, improve function in obese patients with osteoarthritis

Study highlights the treatable causes of cerebellar ataxias

Vitamin D3 and metformin show promising results in preventing colorectal cancer

Vitamin D plays major role in preventing diabetes and atherosclerosis

OSU researchers find link between low levels of vitamin D and depression in young women

Recommended intake of vitamin D miscalculated by IOM, experts say

Fracture prevention project could help save millions

Chronic heart failure patients with decreased calcitriol may benefit from aggressive supplementation

Study finds racial disparities among children with Crohn's disease

WHO urges affected countries to increase investment in tackling neglected tropical diseases

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