Vitamin A News and Research

Latest Vitamin A News and Research

How humans make up for an 'inborn' vitamin C deficiency

A new study appears to explain how humans, along with other higher primates, guinea pigs and fruit bats, get by with what some have called an “inborn metabolic error”: an inability to produce vitamin C from glucose.

24 Mar 2008

Folic acid improves a man's chance of becoming a father

According to new research from the U.S. men who want to father a child will improve their chances by taking folic acid supplements.

21 Mar 2008

Review of supplement use among US cancer patients

Many of the 10 million cancer patients in the US are taking nutritional supplements, but an accurate assessment of the frequency is not well appreciated.

20 Mar 2008

Low levels of dietary folate linked to sperm abnormalities

Healthy men who report lower levels of the nutrient folate in their diets have higher rates of chromosomal abnormalities in their sperm, according to a new study by researchers at the University of California, Berkeley, and the Lawrence Berkeley National Laboratory.

20 Mar 2008

Levels of folate in men's diets is linked to chromosomal abnormalities in their sperm

Researchers have found an association between a vitamin found in leafy green vegetables, fruit and pulses [1] and levels of chromosomal abnormalities in men's sperm.

20 Mar 2008

Aspirin cuts asthma risk in women

A small dose of aspirin on alternate days can cut the risk of developing asthma among women, suggests a large study, published ahead of print in Thorax.

14 Mar 2008

Vitamin D supplements in early childhood cut adult diabetes risk

Vitamin D supplements in early childhood may ward off the development of type 1 diabetes in later life, reveals a research review published ahead of print in the Archives of Disease in Childhood.

14 Mar 2008

Vitamin D supplements in early childhood reduces the adult diabetes risk

Scientists in Britain have found that vitamin D supplements may reduce the risk of developing type 1 diabetes.

13 Mar 2008

Folic acid consumption before and during pregnancy

Taking a folic acid pill a day — a simple measure to prevent severe birth defects — is under-promoted in the media, under-recommended by health care providers and underused by women of childbearing age, according to a new review of studies.

6 Mar 2008

Dietary supplement called NutraStem protects against stroke damage

A unique dietary supplement called NutraStem has been shown to have beneficial effects following experimental stroke.

6 Mar 2008

Red meat and colorectal cancer

For most Americans, meals tend to center around meat. To significantly decrease a person's risks of developing colorectal cancer, experts at The University of Texas M. D. Anderson Cancer Center suggest a new approach to meal planning that focuses more on fruit and vegetable dishes.

4 Mar 2008

Vitamin supplements for lung cancer

Vitamin supplements do not protect against lung cancer, according to a study of more than 77,000 vitamin users.

1 Mar 2008

Capsule endoscopy detects intestinal damage caused by celiac disease

Mayo Clinic researchers have found that capsule endoscopy can provide a magnified view of the intestinal damage caused by celiac disease.

28 Feb 2008

Are cataract rates on the decline?

Should glaucoma patients seeking alternative therapies trust what they find online? Are seatbelts still important to protect eyes in auto accidents, now that most cars have airbags? What's the connection between hearing loss and one form of glaucoma? These are among the topics explored in the March 2008 issue of Ophthalmology, the journal of the American Academy of Ophthalmology.

28 Feb 2008

$High calcium intake may not prevent osteoporosis and related bone fractures$

High calcium intake may not prevent osteoporosis and related bone fractures

For years, getting a lot of calcium has been portrayed as one of the best things you could do to prevent osteoporosis and related bone fractures.

26 Feb 2008

Vitamin E may increase tuberculosis risk in male smokers with high vitamin C intake

Six-year vitamin E supplementation increased tuberculosis risk by 72% in male smokers who had high dietary vitamin C intake, but vitamin E had no effect on those who had low dietary vitamin C intake, according to a study published in the British Journal of Nutrition.

22 Feb 2008

Antioxidants shown not to help children with Down's syndrome develop

Giving children with Down's syndrome antioxidants and nutrients does not help their condition improve at all, according to a study published today on bmj.com.

21 Feb 2008

Study shows effects of vitamin D and skin's physiology

Researchers from Boston University School of Medicine (BUSM) have found that previtamin D3 production varies depending on several factors including skin type and weather conditions.

21 Feb 2008

Vitamin D isn't just for bones anymore

Researchers at The Rockefeller University Hospital have begun a clinical study to explore a possible connection between vitamin D deficiency and insulin resistance.

21 Feb 2008

Drinking milk may help women lower risk for hypertension

Women who drank more fat free milk and had higher intakes of calcium and vitamin D from foods, and not supplements, tended to have a lower risk for developing hypertension or high blood pressure, according to a new study published in the American Heart Association journal, Hypertension.

21 Feb 2008