Vitamin A Deficiency News and Research

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Vitamin D supplement can help boost immunity during winter months

Vitamin D is the only supplement worth taking to boost immunity for the coming winter and to help prevent colds, according to experts on ITV’s Save Money: Good Health.

From BetterYou Ltd 6 Oct 2017

Heart failure more likely in elderly with low vitamin D levels, study shows

A study published in European Journal of Heart Failure reported that the risk of heart failure was more than twelve times higher in elderly vitamin D deficient participants than those with an adequate level.

From BetterYou Ltd 15 Sep 2017

Blood vitamin D levels could help predict multiple sclerosis risk

A new study has shown that assessing blood vitamin D levels may help predict whether a person is at risk of multiple sclerosis (MS).

14 Sep 2017

Ultraviolet LEDs more efficient than sunlight at producing vitamin D3 in the skin

Research published today in Scientific Reports shows that light from RayVio's 293nm ultraviolet (UV) LED is more efficient than sunlight at producing vitamin D3 in skin samples.

14 Sep 2017

New approach to treating neonatal hypoxic ischemia improves outcomes in preclinical models

Hypothermia alone, the current standard of care, neuroprotects roughly 50 percent of newborns with moderate to severe hypoxic ischemia. Therefore, half of all affected newborns are left with developmental, cognitive and motor delays including cerebral palsy following injury.

1 Sep 2017

Study finds link between vitamin D deficiency and elevated heart failure risk in older adults

A recent study found an elevated risk of heart failure in more than half of older individuals, and this risk was significantly associated with vitamin D deficiency.

18 Aug 2017

Low vitamin D may affect recovery of injured corneas

Injury or disease in combination with too little vitamin D can be bad for the window to your eyes. The three-layer, transparent cornea at the front of the eyes focuses the light coming in. But its prominent position also puts it at risk for injury from an errant mascara wand or over-prodding finger or a car accident.

24 Jul 2017

Scientists reveal key role of excess gut calcium in C. diff infections

It lurks in hospitals and nursing homes, surviving the cleaning crew's attempt to kill it by holing up in a tiny hard shell. It preys upon patients already weak from disease or advanced age.

13 Jul 2017

Vitamin D deficiency during pregnancy negatively impacts development of children

Vitamin D deficiency in expectant mothers during pregnancy has a negative effect on the social development and motor skills of pre-school age children, a new study in the British Journal of Nutrition reports.

12 Jul 2017

QUT researchers develop golden-orange bananas rich in pro-vitamin A

The decade-long research, led by Distinguished Professor James Dale, involved extensive laboratory tests at QUT as well as field trials in north Queensland.

7 Jul 2017

Ground breaking study dispels myth that vitamin D2 and D3 have same nutritional value

Worldwide health authorities are being urged to rethink official guidance around vitamin D following the publication of a ground breaking study from the University of Surrey, which dispels the myth that vitamin D2 and D3 have the same nutritional value.

7 Jul 2017

Clinical trial shows anti-inflammatory benefits from taking high doses of vitamin D after sunburn

High doses of vitamin D taken one hour after sunburn significantly reduce skin redness, swelling, and inflammation, according to double-blinded, placebo-controlled clinical trial out of Case Western Reserve University School of Medicine and University Hospitals Cleveland Medical Center.

6 Jul 2017

Vitamin A improves insulin-producing beta-cells' function, study suggests

There has been no known link between diabetes and vitamin A - until now. A new study suggests that the vitamin improves the insulin producing β-cell´s function.

13 Jun 2017

Low levels of vitamin A could be strong risk factor for TB

People with low levels of vitamin A living with individuals sick with tuberculosis may be 10 times more likely to develop the disease than people with high levels of the nutrient, according to research led by investigators at Harvard Medical School.

13 Jun 2017

Human teeth reveal clues to evolution, migration and health problems

The story of humanity's vital – and fragile – relationship with the sun has been locked inside our teeth for hundreds of thousands of years. A new method is starting to tease out answers to major questions of evolution and migration, using clues hidden just under the enamel.

18 May 2017

Untargeted vitamin D supplementation provides little clinical benefit to older adults, study finds

An international study of older adults has found that mass, untargeted provision of vitamin D supplements provides little clinical benefit to many when it comes to the common bone disease, osteoporosis. Instead, the study recommends targeting vitamin D supplements at individuals whose levels of this vitamin are markedly reduced.

16 May 2017

Vitamin A deficiency leads to loss of blood stem cells

Many specialized cells, such as in the skin, gut or blood, have a lifespan of only a few days. Therefore, steady replenishment of these cells is indispensable. They arise from so-called "adult" stem cells that divide continuously.

5 May 2017

Study highlights risk factors for widespread vitamin D deficiency

Results from a clinical review published in The Journal of the American Osteopathic Association find nearly 1 billion people worldwide may have deficient or insufficient levels of vitamin D due to chronic disease and inadequate sun exposure related to sunscreen use.

2 May 2017

Study suggests ‘synergistic’ link between exercise and vitamin D for better heart health

Johns Hopkins researchers report that an analysis of survey responses and health records of more than 10,000 American adults for nearly 20 years suggests a "synergistic" link between exercise and good vitamin D levels in reducing the risk of heart attacks and strokes.

27 Apr 2017

Vitamin D deficiency linked to early markers of cardiovascular disease in overweight, obese children

In overweight and obese children and adolescents, vitamin D deficiency is associated with early markers of cardiovascular disease, a new study reports. The research results will be presented Sunday, April 2, at ENDO 2017, the annual scientific meeting of the Endocrine Society, in Orlando.

4 Apr 2017