Vitamin A News and Research

Latest Vitamin A News and Research

Calcium supplementation for improving bone mineral density in children

There's little question that most kids get too little calcium, but a new review of evidence casts doubt on the value of supplements and calcium-fortified foods to build stronger bones.

18 Apr 2006

Soymilk proves a popular option for lactose intolerant students

Offering soymilk to elementary school students boosts the number of children who select a calcium-rich beverage in the lunch line and reduces the amount of saturated fat consumed from calcium-rich beverages, according to a study in April's Journal of the American Dietetic Association.

16 Apr 2006

Cholesterol-lowering drug might not promote healthy hearts

Antioxidants, such as beta-carotene and Vitamin E, have been touted for their ability to protect against heart disease.

13 Apr 2006

Trial of low-dose Isotretinoin for prevention of second primary tumors in head and neck cancer patients

Taking a vitamin A derivative called isotretinoin did not reduce the risk of second primary tumors or improve survival in patients with stage I or II head and neck squamous cell cancers (HNSCC), according to a study in the Journal of the National Cancer Institute.

13 Apr 2006

Active ingredient in soy may explain why Asians have lower rates of obesity and cancer

A single nutrient found in soy products elicits changes in gene behavior that permanently reduce an embryo's risk of becoming obese later in life, according to an animal study at Duke University Medical Center.

13 Apr 2006

Environmental scientists identify new culprits in the cancer equation

In the granite-rich region of Western North Carolina, taking a daily shower could pose a risk of developing lung cancer. So could working from home every day. That's because granite emits a carcinogenic gas, radon.

13 Apr 2006

Fish oil may help protect against age-related macular degeneration

A paper published in Trends in Neuroscience by Nicolas G. Bazan, MD, PhD of the Neuroscience Center of Excellence at LSU Health Sciences Center in New Orleans, reports on the role that the omega-3 fatty acids in fish oil play in protecting cells in the retina from degenerative diseases like retinitis pigmentosa and age-related macular degeneration.

7 Apr 2006

Study of predictors of vitamin D status and cancer incidence and mortality in men

Low levels of vitamin D may be associated with increased total cancer incidence and mortality in men, particularly for cancers of the digestive system, according to a study in the Journal of the National Cancer Institute.

7 Apr 2006

More than a billion may suffer from vitamin D deficiency

More than a billion may suffer from vitamin D deficiency. Consequences may be more severe than thought. Prominent clinician calls for action.

6 Apr 2006

Vitamin C in the blood stream is directly related to fat oxidation

Nutrition researchers from Arizona State University report that the amount of vitamin C in the blood stream is directly related to fat oxidation - the body's ability to use fat as a fuel source - during both exercise and at rest.

6 Apr 2006

Folic acid may be added to all bread in Britain

The Food Standards Agency in the UK is recommending the addition of the vitamin folic acid to all flour and bread on sale in Britain within the next year.

5 Apr 2006

Prenatal vitamins are important for the health and well-being of both mother and child

Children born to teenage mothers who were iron deficient early in their pregnancies were less active at age 3 than the children of iron sufficient moms, a Penn State study has shown.

4 Apr 2006

Why males produce sperm and females produce eggs

An Australian research team has solved one of biology's most fundamental questions - why males produce sperm and females produce eggs. The finding is a breakthrough that could lead to improved infertility treatment, cancer therapy and pest management.

4 Apr 2006

Skin cancer facts

Up to two-thirds of all cancers may be prevented through dietary and lifestyle changes. In the case of skin cancer, this could not be more true.

4 Apr 2006

Cancer chemical scare over soft drinks

Tens of thousands of bottles of soft drinks were removed from shop shelves yesterday after concerns that they could contain a potentially cancer-causing chemical.

3 Apr 2006

New guidelines for diagnosis and treatment of Parkinson disease

New guidelines developed by the American Academy of Neurology aim to educate physicians on the diagnosis and treatment of Parkinson disease and provide people with Parkinson disease an improved quality of life.

3 Apr 2006

Raspberries - a better source of antioxidants

Antioxidants are believed to have substantial health benefits and raspberries in particular are a good source. In fact, raspberries may have 10 times more antioxidants than tomatoes or broccoli. Further, raspberries contain some specific antioxidants that are found almost nowhere else.

31 Mar 2006

Full-scale experiment designed to bring about tooth decay

In 1947-1949 a group of mental patients in Sweden were used as subjects in a full-scale experiment designed to bring about tooth decay. They were fed copious amounts of candy, and many of them had their teeth completely ruined. But, scientifically speaking, the experiment was a huge success.

31 Mar 2006

Beta carotene slows the decline in lung power associated with ageing

Beta carotene, a precursor to vitamin A, slows the decline in lung power associated with ageing, reveals research in Thorax.

23 Mar 2006

Increase in Vitamin E tied to fewer in utero deaths

Manipulating the in utero environment may alter the onset of cancers that appear later in the lives of mammals, according to a new University of Toronto study published in the journal Carcinogenesis.

23 Mar 2006