Vitamin A News and Research

Latest Vitamin A News and Research

Experts say double the daily dose of vitamin D for children

The American Academy of Pediatrics says children - from newborns up to teenagers - should be given double the current recommended amount of vitamin D because research has shown it may help prevent serious diseases.

14 Oct 2008

Prevalence of vitamin D insufficiency in patients with Parkinson's and Alzheimer's disease

A majority of Parkinson's disease patients had insufficient levels of vitamin D in a new study from Emory University School of Medicine.

13 Oct 2008

People lacking vital antioxidants and exposed to sunlight more likely to develop eye disease later in life

People who lack essential antioxidants, and who have high levels of sunlight exposure, have a higher risk of developing advanced macular degeneration (AMD), according to a study published today in the journal Archives of Ophthalmology. AMD is the leading cause of poor vision in the UK.

13 Oct 2008

Children with cystic fibrosis not well covered by guidelines for vitamin D needs

Existing recommendations for treating vitamin D deficiency in children with cystic fibrosis (CF) are too low to cover the serious need, leaving most at high risk for bone loss and rickets, according to researchers at Johns Hopkins Children's Center.

12 Oct 2008

Use of oral vitamin D supplements may help prevent eczema

A study led by researchers at the University of California, San Diego School of Medicine suggests that use of oral Vitamin D supplements bolsters production of a protective chemical normally found in the skin, and may help prevent skin infections that are a common result of atopic dermatitis, the most common form of eczema.

6 Oct 2008

A little alcohol goes a longer way in women than in men

Alcohol can be a boon or a bane for health. The difference lies in the dose - a little is good, a lot is bad. But the dividing line between a little and a lot differs from person to person. It depends on many things, including sex.

6 Oct 2008

Vitamin C supplements appear to undercut the effectiveness of cancer drugs

A new study by scientists in the United States has revealed that vitamin C may blunt the effectiveness of chemotherapy treatment.

1 Oct 2008

Sun exposure may have an anti-melanoma effect

Italian researchers have found a link between vitamin D and the risk of developing a melanoma and they say that individuals with certain variants in a vitamin D-related gene, called BsmI, may be at an increased risk of developing melanoma.

22 Sep 2008

Vitamin may protect the ageing brain from memory loss

Scientists in Britain are suggesting that a vitamin found in meat, fish and milk, may offer protection against memory loss in older people.

9 Sep 2008

Oxidative stress: mechanism of cell death clarified

Dr. Marcus Conrad of the Institute of Clinical Molecular Biology and Tumor Genetics at the Helmholtz Zentrum Munchen has decrypted the molecular mechanism through which the death of cells is caused by oxidative stress.

3 Sep 2008

Vitamin B deficiency may cause vascular cognitive impairment

A deficiency of B-vitamins may cause vascular cognitive impairment, according to a new study. Researchers at the Jean Mayer USDA Human Nutrition Research Center on Aging (HNRCA) at Tufts University used an experimental model to examine the metabolic, cognitive, and microvascular effects of dietary B-vitamin deficiency.

2 Sep 2008

Exclusive breastfeeding increases child's risk for vitamin D deficiency; black, darker-skinned children already have increased risk

Exclusive breastfeeding can increase a child's risk of developing rickets because breast milk alone does not provide adequate levels of vitamin D, a critical ingredient that helps to absorb calcium and build strong bones, the New York Times reports. Rickets develops when a child's vitamin D levels are too low and is characterized by the curving of a child's legs and the softening of other bones. Some children are asymptomatic.

28 Aug 2008

Role of vitamin D in kidney disease examined

Vitamin D is the key to preventing rickets and osteoporosis, but Rockefeller University scientists suspect it may also play a role in heading off atherosclerosis in people with chronic kidney disease.

26 Aug 2008

U.S. spinach and lettuce to be irradiated to stop outbreaks of foodborne bacteria

Following an increasing number of outbreaks of foodborne illnesses over the last few years, the Food and Drug Administration (FDA) in the United States is about to allow food producers to irradiate spinach and iceberg lettuce to kill foodborne bacteria.

25 Aug 2008

Vitamin B supplements offer no protection from heart disease

According to recent research vitamin B or folic acid supplements do not prevent death in patients with heart disease.

20 Aug 2008

The effect of childhood dairy intake on adolescent bone health

Dairy is recognized as a key component of a healthy, balanced diet. However, until recently it was unclear how long-term dairy intake contributes to the many aspects of bone health in children, including bone density, bone mineral content, and bone area. A new study soon to be published in The Journal of Pediatrics investigates the effect of childhood dairy intake on adolescent bone health.

13 Aug 2008

In-depth review of current research on the health effects of vitamin D

Despite considerable progress in research to understand the health effects of vitamin D, experts convened by the NIH to review the available data found major gaps in the evidence. The data are strongest in the area of bone health among elderly men and post-menopausal women, suggesting that increased vitamin D intake can improve bone health and prevent falls. For other age groups and health issues, though, it is too early to say conclusively whether more vitamin D might be beneficial.

12 Aug 2008