Watch videos about dietary guidelines

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  1. Garden Variety Anti-Inflammation Garden Variety Anti-Inflammation May 16, 2012

    The variety of fruit and vegetable consumption may decrease disease risk, independent of quantity.

  2. Breast Cancer Survival and Trans Fat Breast Cancer Survival and Trans Fat March 28, 2012

    Breast cancer survivors may reduce their chances of survival if they eat too much trans fat, found primarily in the American diet in junk food and animal products.

  3. Daily source of vitamin B12 Daily source of vitamin B12 February 8, 2012

    Fortified foods such as some breakfast cereals and types of nutritional yeast can provide another cholesterol-free source of vitamin B12.

  4. Cheapest source of vitamin B12 Cheapest source of vitamin B12 February 7, 2012

    Vitamin B12 (cobalamin) supplementation can cost as little as $2 a year.

  5. Safest source of B12 Safest source of B12 February 6, 2012

    Since foods are effectively a package deal, what is the best way to get vitamin B12 (cobalamin)?

  1. Vitamin B12 recommendation change Vitamin B12 recommendation change February 3, 2012

    Based on two biomarkers of functional vitamin B12 (cobalamin) status, B12 recommendations formulated more than a half century ago may need to be updated.

  2. Resolving the vitamin D-bate Resolving the vitamin D-bate December 14, 2011

    Why the current vitamin D recommendations may be too low, other expert recommendations may be too high, and 2000 international units a day may be just right.

  3. How the Institute of Medicine arrived at their vitamin D recommendation How the Institute of Medicine arrived at their vitamin D recommendation December 13, 2011

    The latest revision of the official vitamin D recommendations were based on the body’s reaction to protect bone health, but what about the other three dozen affected organs?

  4. The difficulty of arriving at a vitamin D recommendation The difficulty of arriving at a vitamin D recommendation December 12, 2011

    People respond differently to the same level of vitamin D supplementation, making it difficult to formulate one-size-fits-all guidelines.

  5. Vitamin D supplements may be necessary Vitamin D supplements may be necessary December 9, 2011

    To reach the circulating (25-hydroxy) vitamin D levels associated with the lowest overall mortality, one may need to take supplements, given data suggesting suboptimal production from sun even under optimal circumstances.

  1. Vitamin D and mortality may be a U-shaped curve Vitamin D and mortality may be a U-shaped curve December 8, 2011

    Vitamin D deficiency may shorten one’s lifespan, but getting too much vitamin D may also adversely affect longevity.

  2. Is vitamin D the new vitamin E? Is vitamin D the new vitamin E? December 7, 2011

    The Institute of Medicine’s conservative position on vitamin D is understandable given the history of hyped vitamin supplements (vitamin A, beta carotene, folic acid, vitamin C, vitamin E) that turned out worthless or worse.

  3. Evolutionary argument for optimal vitamin D level Evolutionary argument for optimal vitamin D level December 6, 2011

    Should the vitamin D levels found in lifeguards be considered the norm for our species given the fact that we evolved running around naked all day in equatorial Africa?

  4. Vitamin D recommendations changed Vitamin D recommendations changed December 5, 2011

    The Institute of Medicine tripled their official vitamin D recommendation based on target blood levels that indicate a large percentage of the U.S. population is deficient.

  5. Dietary guidelines: pushback from the sugar, salt, and meat industries Dietary guidelines: pushback from the sugar, salt, and meat industries November 8, 2011

    The Sugar Association, Salt Institute, and American Meat Institute all railed against the new Dietary Guidelines for Americans.