Vitamin in Biological News

Is vitamin D deficiency linked to Alzheimer's disease and vascular dementia?

Amsterdam, The Netherlands, May 26, 2009 There are several risk factors for the development of Alzheimer's disease and vascular dementia. Based on an increasing number of studies linking these risk factors with Vitamin D deficiency, an article in the current issue of the Journal of Alzheimer's D...

Low levels of vitamin D linked to common vaginal infection in pregnant women

PITTSBURGH, May 22 Pregnant women with low levels of vitamin D may be more likely to suffer from bacterial vaginosis (BV) a common vaginal infection that increases a woman's risk for preterm delivery, according to a University of Pittsburgh study. Available online and published in the June issue...

Low levels of vitamin B12 may increase risk for neural tube defects

Children born to women who have low blood levels of vitamin B12 shortly before and after conception may have an increased risk of a neural tube defect, according to an analysis by researchers at the National Institutes of Health, Trinity College Dublin, and the Health Research Board of Ireland. ...

Genetic study shows direct link between vitamin D and MS susceptibility 'gene'

Researchers have found evidence that a direct interaction between vitamin D and a common genetic variant alters the risk of developing multiple sclerosis (MS). The research, published on 6 February in the open-access journal PLoS Genetics , suggests that vitamin D deficiency during pregnancy and ...

Joslin research finds nearly three-quarters of youths with diabetes insufficient in vitamin D

BOSTON [Dec. 15, 2008] Three-quarters of youths with type 1 diabetes were found to have insufficient levels of vitamin D, according to a study by researchers at the Joslin Diabetes Center findings that suggest children with the disease may need vitamin D supplementation to prevent bone fragilit...

Lack of vitamin D causes weight gain and stunts growth in girls

This release is available in French . Montreal, December 10th, 2008 Insufficient vitamin D can stunt growth and foster weight gain during puberty, according to a new study published in the Journal of Clinical Endocrinology & Metabolism . Even in sun-drenched California, where scientists f...

Calcium and vitamin D may not be the only protection against bone loss

Chevy Chase, MDDiets that are high in protein and cereal grains produce an excess of acid in the body which may increase calcium excretion and weaken bones, according to a new study accepted for publication in The Endocrine Society's Journal of Clinical Endocrinology & Metabolism ( JCEM ). The s...

Could vitamin D save us from radiation?

Radiological health expert Daniel Hayes, Ph.D., of the New York City Department of Health and Mental Hygiene suggests that a form of vitamin D could be one of our body's main protections against damage from low levels of radiation. Writing in the International Journal of Low Radiation , Hayes exp...

Lung airway cells activate vitamin D and increase immune response

Vitamin D is essential to good health but needs to be activated to function properly in the human body. Until recently, this activation was thought to happen primarily in the kidneys, but a new University of Iowa study finds that the activation step can also occur in lung airway cells. The stud...

Optimal dose of vitamin E maximizes benefits, minimizes risk

Corvallis, Oregon October 29, 2008 -- Vitamin E has been heralded for its ability to reduce the risk of blood clots, heart attack, and sudden death. Yet in some people, vitamin E causes bleeding. Scientists have known for more than 50 years that excess vitamin E promotes bleeding by interfering w...

Lack of vitamin D linked to Parkinson'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. The fraction of Parkinson's patients with vitamin D insufficiency, 55 percent, was significantly more than patients with Alzheimer's disease (41 percent) or ...

Don't forget the vitamin A when working with its carrier protein

Vitamin A is an essential nutrient involved in vision, growth, cellular differentiation, and immune function. Because vitamin A is fat-soluble, it is chaperoned through the body on carrier proteins. Researchers at the University of Wisconsin-Madison in a study funded by USDA and NIH, discovered ...

Variant of vitamin D receptor gene linked to melanoma risk

A new analysis indicates an association between a gene involved in vitamin D metabolism and skin cancer. Published in the November 1, 2008 issue of CANCER , a peer-reviewed journal of the American Cancer Society, the study suggests that individuals with certain variants in a vitamin D-related gen...

Majority of osteoporosis patients not receiving calcium and vitamin D with treatment

Geneva, Switzerland 15th September, 2008: New research published today at the annual meeting of the American Society for Bone and Mineral Research (ASBMR), Montral, Canada, reveals that less than half (43%) of patients in Europe with osteoporosis are claiming to take both calcium and vitamin D su...

Researchers identify cancer preventive properties in common vitamin supplement

PHILADELPHIA Early laboratory research has shown that resveratrol, a common dietary supplement, suppresses the abnormal cell formation that leads to most types of breast cancer, suggesting a potential role for the agent in breast cancer prevention. Resveratrol is a natural substance found in re...

Newborn vitamin A reduces infant mortality

A single, oral dose of vitamin A, given to infants shortly after birth in the developing world can reduce their risk of death by 15 percent, according to a study conducted by researchers at the Johns Hopkins Bloomberg School of Public Health. The study is published in the July 2008 edition of the ...

New technology may prevent vitamin B12 deficient seniors and vegetarians from needing injections

TORONTO, Canada (June 17, 2008) For those patients who receive the nearly 40 million intramuscular injections per year to treat their B12 deficiency, a new oral option may soon exist. According to the National Institutes of Health, vitamin B12 deficiency can lead to a wide spectrum of conditi...

Moores UCSD Cancer Center study links vitamin D, type 1 diabetes

Sun exposure and vitamin D levels may play a strong role in risk of type 1 diabetes in children, according to new findings by researchers at the Moores Cancer Center at University of California, San Diego (UCSD) and the Department of Family and Preventive Medicine. This association comes on the h...

Study identifies trends of vitamin B6 status in US population sample

BOSTON- (May 20, 2008) In an epidemiological study, Tufts University researchers identified trends of vitamin B6 status in a sample of the United States population based on measures of plasma pyridoxal 5'- phosphate (PLP) levels in the bloodstream. Plasma PLP is the indicator used by the federa...

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. Previous studies had sugges...

Team finds an economical way to boost the vitamin A content of maize

A team of plant geneticists and crop scientists has pioneered an economical approach to the selective breeding of maize that can boost levels of provitamin A, the precursors that are converted to vitamin A upon consumption. This innovation could help to enhance the nutritional status of millions o...

Jefferson scientists studying the effects of high-dose vitamin C on non-Hodgkin lymphoma patients

(PHILADELPHIA) - Scientists at Thomas Jefferson University Hospital and Jeffersons Kimmel Cancer Center have received approval for a first-of-its kind study on the effect high dose vitamin C has on non-Hodgkin lymphoma patients. Researchers from the Jefferson-Myrna Brind Center of Integrative Medi...

Could vitamin D, a key milk nutrient, affect how you age?

WASHINGTON, D.C. (November 8, 2007)- There is a new reason for the 76 million baby boomers to grab a glass of milk. Vitamin D, a key nutrient in milk, could have aging benefits linked to reduced inflammation, according to a new study published in the American Journal of Clinical Nutrition. In a...

Study shows vitamin C is essential for plant growth

Scientists from the University of Exeter and Shimane University in Japan have proved for the first time that vitamin C is essential for plant growth. This discovery could have implications for agriculture and for the production of vitamin C dietary supplements. The study, which is now published...

Low vitamin D linked to higher risk of hip fracture

HONOLULU, Sept. 20 Women with low levels of vitamin D have an increased risk of hip fracture, according to a study led by the University of Pittsburgh Graduate School of Public Health presented this week at the 29th annual meeting of the American Society for Bone and Mineral Research at the Hawai...

Low vitamin D during pregnancy linked to pre-eclampsia

PITTSBURGH, Sept. 7 Vitamin D deficiency early in pregnancy is associated with a five-fold increased risk of preeclampsia, according to a study from the University of Pittsburgh Schools of the Health Sciences reported this week in the Journal of Clinical Endocrinology and Metabolism. A serious...

Fat overrides effects of vitamin C

Fats in our stomach may reduce the protective effects of antioxidants such as vitamin C. Scientists at the University of Glasgow found that in the presence of lipid the ability of antioxidants, such as ascorbic acid (the active component of vitamin C), to protect against the generation of potential...

Misusing vitamin to foil drug test may be toxic; plus, it doesn't work

Taking excessive doses of a common vitamin in an attempt to defeat drug screening tests may send the user to the hospital—or worse. Researchers from The Children's Hospital of Philadelphia and The University of Pennsylvania reported on two adults and two adolescents who suffered toxic side effec...

MIT biologists solve vitamin puzzle

Solving a mystery that has puzzled scientists for decades, MIT and Harvard researchers have discovered the final piece of the synthesis pathway of vitamin B12-the only vitamin synthesized exclusively by microorganisms. B12, the most chemically complex of all vitamins, is essential for human healt...

Poor athletic performance linked to vitamin deficiency

Active individuals lacking in B-vitamins ?including college athletes and other elite competitors -- may perform worse during high-intensity exercise and have a decreased ability to repair and build muscle than counterparts with nutrient-rich diets, according to recent Oregon State University resear...

Natural vitamin E tocotrienol reaches blood at protective levels

Two recent studies offer new evidence suggesting an alternative form of natural vitamin E can be taken by mouth and will reach the blood in humans at levels determined to protect against stroke and other diseases. Vitamin E occurs naturally in eight different forms. The primary vitamin E on dru...

OHSU research shows vitamin C counteracts some negative impacts of smoking on unborn babies

Research conducted in monkeys at the Oregon National Primate Research Center, Oregon Health & Science University, suggests high doses of vitamin C may have potential to counteract some negative impacts of smoking in unborn babies. The research may benefit thousands of babies born to mothers who...

Does vitamin C help prevent or treat the common cold? Maybe not, after all.

Linus Pauling's book Vitamin C and The Common Cold, published in 1970, was a bestseller and led many people to believe in the value of the vitamin for cold prevention and treatment. But an article in this month's PLoS Medicine reviewing all of the best clinical research on this topic, suggests that...

NIH stimulus funding supports Emory biomedical scientists

...nefits, of educational video materials targeted at infants and toddlers. vitamin D and lung scarring: Pulmonary fibrosis, or scarring of the lung, is diffic... to treat and kills half of the people with the disease within three years. vitamin D, which is lacking in many peoples' diets, may regulate inflammatory molec...

Probiotics help gastric-bypass patients lose weight more quickly, Stanford study shows

...the probiotics group registered a 47.6 percent weight loss, compared with a 38.5 percent for the control group. The study also found that levels of vitamin B-12 were higher in the patients taking probiotics a significant finding because patients often are deficient in B-12 after gastric-bypass surgery. T...

2 Fred Hutchinson Cancer Research Center scientists receive Presidential Early Career Award

...ating genetic and molecular methods to better understand the role selenium, vitamin D, calcium and other dietary components may play in preventing prostate and... research. Incorporating molecular and genetic approaches, she also studies vitamin D and calcium in the prevention of colon cancer, the second leading cause o...

Rampant helper syndrome

...of these helpers. Others like vitamins must be obtained from food. Severe vitamin deficiencies are a harsh reminder of how essential these molecules are. ...elp of complex enzymes. These photolyases in turn require cofactor FAD aka vitamin B2 to accomplish this function. It has long been suspected that these cruc...

Drinking milk in the morning may help stave off lunchtime hunger

...than 100 calories per day, according to recent research. Fat free milk is packed with nine essential nutrients Americans need, including calcium and vitamin D, and contains 80 calories per 8-ounce serving. The Dietary Guidelines for Americans recommend three servings of fat free or lowfat milk each day. ...

Carnegie Mellon's Kris Matyjaszewski recieves EPA's Presidential Green Chemistry Challenge Award

...i said. "We've been able to use environmentally friendly chemicals, such as vitamin C, to reduce the level of catalyst employed in ATRP by a factor of over 1,0...oach to ATRP that incorporates environmentally benign reducing agents, like vitamin C and sugars, to regenerate the active form of the catalyst. The reducing a...

Aussie and Kiwi researchers make double MS genetic discovery

...lity to MS and other autoimmune diseases including Type 1 diabetes, Rheumatoid Arthritis and Graves' Disease and the also the potential involvement of vitamin D metabolism in the risk of developing these diseases." "These results are like the key in the door leading us to where to look for MS susceptibil...