Fat is considered the enemy. We try to eat a fat-free diet and avoid fat at all costs. It’s important to understand, though, that not all fats are bad and some are actually necessary for a healthy diet and proper nutrition.

Current protein recommendations were established with the goal of preventing deficiency, but newer research indicates that many adults may benefit from eating more than the minimum requirement.

In a definitive critical review, scientists at Children’s Hospital & Research Center Oakland ask whether there is convincing biological or behavioral evidence linking vitamin D deficiency to brain dysfunction.

Researchers from Boston University School of Medicine (BUSM) have found that vitamin D2 is equally as effective as vitamin D3 in maintaining 25-hydroxyvitamin D status. The study appears online in the December 2007 issue of the Journal of Clinical Endocrinology & Metabolism.

In a study of adults aged 20 and over, researchers at Tufts University showed that homocysteine and methylmalonic acid are at much higher levels in individuals who have a combination of vitamin B12 deficiency and high blood folate levels than in individuals who are also vitamin B12 deficient but have normal folate levels.

As winter approaches many of us reach for over-the-counter vitamins and herbal remedies, such as Vitamin C and Echinacea, in a bid to ward off illnesses and improve health. But the vast array of supplements available and lack of industry regulation make it difficult for the average person to make an informed choice about taking supplements.

According to new study taking a vitamin pill a day might extend your life. The findings, published in the journal Archives of Internal Medicine, add to the growing medical literature about the benefits of what is sometimes called the "sunshine vitamin" because it is produced by the skin in response to sunlight.

Taking vitamins and minerals did not reduce liver cancer death rates in a study conducted by the National Cancer Institute and the Chinese Academy of Medical Sciences.

Surprising findings by Queen’s researchers have shed new light on how the sunshine vitamin D – increasingly used to treat and prevent cancer and other diseases – is broken down by our bodies.

Fluoride damages children's teeth - new dentist advisory to cut back.

Many otherwise healthy children and adolescents have low vitamin D levels, which may put them at risk for bone diseases such as rickets. African American children, children above age nine and with low dietary vitamin D intake were the most likely to have low levels of vitamin D in their blood, according to researchers from The Children’s Hospital of Philadelphia.

African-American adolescent and teenage girls consume less vitamin A and D, calcium and magnesium compared to Caucasian girls, according to researchers at St. Joseph College, Wesleyan University and other institutions.