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Vitamin D

May 9, 2011 | By Marissa Cevallos, HealthKey / For the Booster Shots blog
We should get more vitamin D; no, we already get enough. A debate rages over how much vitamin D adults, children and pregnant women should consume for health benefits and disease prevention. Now research suggests that infants who are born with low levels of vitamin D may be at higher risk for lung infections caused by a common virus. In the new study published online Monday in Pediatrics , researchers in the Netherlands assessed vitamin D levels in 156 babies at birth by measuring concentrations in their cord blood.
April 12, 2011 | By Marissa Cevallos, HealthKey
Getting enough vitamin D may help prevent women from losing their vision in old age. That's the quick and easy conclusion from a new study, just perhaps not one that will require you to change your diet. In a study of 1,313 women ages 50 to 79, researchers from the University of Buffalo in New York found that women with adequate levels of vitamin D were at 48% decreased odds for developing age-related macular degeneration (AMD) compared with women with insufficient levels of the vitamin.
March 30, 2011 | By Shari Roan, Los Angeles Times
Vitamin D levels in most Americans are adequate, with only 8% of the population at risk for health problems because of low vitamin D, according to a government report. Vitamin D is one confusing nutrient. Numerous studies in recent years have linked deficiency to a range of health problems and disease risk, including cancer, autoimmune diseases and diabetes. The nutrient also has a well-defined role in bone health. Some doctors and researchers have called for an increase in the recommended dietary intake of vitamin D. But in a report released late last year, the Institute of Medicine declined to raise the values saying: "The IOM finds that the evidence supports a role for vitamin D and calcium in bone health but not in other health conditions.
February 8, 2011 | By Mary Forgione, Tribune Health
Eggs are getting a bit of a reprieve on the cholesterol front. A U.S. Department of Agriculture report released Tuesday says eggs are lower in cholesterol and higher in vitamin D than previously thought.   The federal agency released these findings (helpfully publicized by the egg industry) after testing a random sample of eggs across the country and examining their nutrient value. It found the average large egg contained 185 milligrams of cholesterol (14% less than prior measures)
December 28, 2010 | By Eryn Brown, Los Angeles Times
Even as a high-profile panel of experts recently disputed the conventional wisdom that Americans don't get enough vitamin D -- and that vitamin D deficiencies create greater risk of disease -- new research shows that newborns with low levels of vitamin D have higher rates of respiratory infection and wheezing than infants born with more vitamin D in their systems. There was no correlation, however, between low vitamin D levels and asthma. The study, published Monday in the journal Pediatrics, expanded on earlier work by Dr. Carlos Camargo of the Massachusetts General Hospital in Boston that had shown that babies born to mothers who took vitamin D supplements were less likely to develop wheezing during childhood.
December 13, 2010
I was deeply saddened with the Institute of Medicine report that we are a healthy nation in regard to our calcium and vitamin D intakes ["Sweeping Away the Hype About Vitamin D," Dec. 6]. As a physician keenly interested in my patients' nutrition status and needs, I find the report flawed. By arbitrarily setting the lower limit of normal vitamin D blood level at 20 nanograms per milliliter, they are missing the borderline deficiency between 20 and 40 ng/ml. I recommend 2,000 international units of vitamin D per day to my adult patients.
December 12, 2010 | By Karen Stabiner
The Institute of Medicine recently upended the health apple cart with a new study that says we don't need as much calcium or vitamin D as we've been told. In fact, taking the kind of megadose that makes you feel virtuous and keeps the supplement industry healthy can lead to kidney stones, with calcium, and kidney or heart damage, with D. If that sounds alarmist, let me quote directly from the Institute of Medicine's statement, which says that "some signals suggest there are greater risks of death and chronic disease associated with long-term high vitamin D intake.
December 6, 2010 | By Melissa Healy, Times Staff Writer
Every once in a while, some unsung nutrient gets rediscovered and, in the course of a few short years, is rendered virtually magical in the eyes of health professionals and consumers. Foods containing the nutrient come into vogue and supplement use soars. Then, seemingly overnight, the spell is broken. Last week, it was vitamin D's turn to fall from grace. The comedown came courtesy of an expert panel convened by the Institute of Medicine, which advises the government on health issues.
December 1, 2010 | By Melissa Healy, Los Angeles Times
A team of experts convened by the Institute of Medicine sought Tuesday to douse growing concerns that North Americans are deficient in two key nutrients ? calcium and vitamin D ? and that they risk higher rates of a wide range of chronic diseases and cancers as a result. The panel concluded that "with few exceptions, all North Americans are receiving enough calcium and vitamin D" from the foods they eat ? many of which have been fortified with both nutrients. For all but a few, adding more of those nutrients in pill form would be useless at best and, at worst, would risk harm, added the report, which was two years in the making.
December 1, 2010 | By Mary Forgione, For the Los Angeles Times
Vitamin D and calcium, calcium and vitamin D. We've heard the "get more" mantra for so long, small wonder a new report on vitamin D and calcium intakes is creating a buzz. The findings made news headlines because they dispute concerns about Americans being deficient in those nutrients, as this Los Angeles Times story says. But it turns out there are a host of such reports -- and the Institute of Medicine issues regular updates. Here's a plethora of tables that provide dietary guidelines for vitamins A, C, E and K, thiamin, riboflavin and other nutrients.
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