Vitamins

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New Discoveries Offer Hope for Failing Eyes

The number of Americans with age-related macular degeneration is expected to skyrocket as the U.S. population grows older.

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Vitamin deficiencies increase age-related disease

An important analysis conducted by Children's Hospital Oakland Research Institute scientists suggests the importance of ensuring optimal dietary intakes of vitamin K to prevent age-related conditions such as bone fragility, arterial and kidney calcification, cardiovascular disease, and possibly cancer. Vitamin K is concentrated in dark green plants such as spinach or Swiss chard, and is either not present or present in only small amounts in most multivitamin pills.

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One in seven US teens is vitamin D deficient

One in seven American adolescents is vitamin D deficient, according to a new study by researchers in the Department of Public Health at Weill Cornell Medical College. The findings are published in the March issue of the journal Pediatrics and were presented at the Pediatric Academic Societies' Annual Meeting in May 2008.

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New reference material can improve testing of multivitamin tablets

The National Institute of Standards and Technology (NIST) has developed a new certified reference material that can be an important quality assurance tool for measuring the amounts of vitamins, carotenoids, and trace elements in dietary supplements.

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Researchers Say Vitamins Don't Do Older Women Any Good

Older women will be stunned by the news from researchers today. That there is no evidence that multivitamin use helps older women stave off heart disease and cancer. The dietary supplement industry for years has been saying just the opposite.

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Nanotech in your vitamins

The ability of the Food and Drug Administration (FDA) to regulate the safety of dietary supplements using nanomaterials is severely limited by lack of information, lack of resources and the agency's lack of statutory authority in certain critical areas, according to a new expert report released by the Project on Emerging Nanotechnologies (PEN).

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The Truth About Fat

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.

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Is it time to revisit the current protein recommendations?

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.

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Vitamin D supplementation for high risk groups may be warranted

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.

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Vitamin D2 is as effective as vitamin D3

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.

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Vitamin B12 function may be diminished by excessive folate

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.

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Supplements even confuse athletes

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.

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