Volume 107 (2) | February 2018
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The American Journal of Clinical Nutrition 
Media Alerts
The following articles have been published in the February 2018 issue of  The American Journal of Clinical Nutrition , a publication of the American Society for Nutrition. Summaries of the selected articles appear below; the full text of each article is available by clicking on the links listed. Manuscripts published in  The American Journal of Clinical Nutrition  are embargoed until the article appears online either as in press ( Articles in Press ) or as a final version. The embargoes for the following articles have expired ( Editor's Choice in bold ):

  • Meal-replacement beverages and bars coupled with behavioral counseling may help reduce excessive weight gain in pregnancy
  • New research focuses on understanding dietary impacts on malnutrition of older individuals.
  • Synthetic folate: new evidence that more might not be better for patients with bladder cancer.
  • New study highlights difficulty in successfully following a gluten-free diet.
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Meal-replacement beverages and bars coupled with behavioral counseling may help reduce excessive weight gain in pregnancy
Newly published results from randomized dietary intervention study suggests that combining specialized meal-replacement foods with counseling regarding diet and exercise might help women gain appropriate amounts of weight while pregnant.

Phelan S, Wing RR, Brannen A, McHugh A, Hagobian TA, Schaffner A, Jelalian E, Hart CN, Scholl TO, Munoz-Christian K, et al. Randomized controlled clinical trial of behavioral lifestyle intervention with partial meal replacement o reduce excessive gestational weight gain . American Journal of Clinical Nutrition 2018;107:183-94.

New research focuses on understanding dietary impacts on malnutrition of older individuals
Two independently conducted studies provide additional evidence for the importance of dietary protein on nutritional status of older individuals.

Hengeveld LM, Wijnhoven HAH, Olthof MR, Brouwer IA, Harris TB, Kritchevsky SB, Newman AB, Visser M, for the Health ABC Study. P rospective associations of poor diet quality with long-term incidence of protein-energy malnutrition in community-dwelling older adults: the Health, Aging, and Body Composition (Health ABC) Study . American Journal of Clinical Nutrition 2018;107:155–64.

Devries MC, McGlory C, Bolster DR, Kamil A, Rahn M, Harkness L, Baker SK, Phillips SM. Protein leucine content is a determinant of shorter- and longer-term muscle protein synthetic responses at rest and following resistance exercise in healthy older women: a randomized, controlled trial . American Journal of Clinical Nutrition 2018;107:217–26.

Volpi E. Is leucine content in dietary protein the key to muscle preservation in older women? American Journal of Clinical Nutrition 2018;107:143–4.

Synthetic folate: new evidence that more might not be better for patients with bladder cancer
Higher consumption of synthetic folic acid found in fortified foods and supplements, but not naturally occurring folate, may be linked to recurrence of bladder cancer.

Tu H, Dinney CP, Ye Y, Grossman HB, Lerner SP, Wu X. Is folic acid safe for non–muscle-invasive bladder cancer patients? An evidence-based cohort study . American Journal of Clinical Nutrition 2018;107:208–16.

Read full summaries here .
AJCN Editor's Choice

New study highlights difficulty in successfully following a gluten-free diet
Because there are currently no other ways to prevent or treat the condition, people with celiac disease must carefully and completely avoid dietary gluten, a protein found in foods containing even the tiniest amounts of wheat, barley, or rye. However, knowing whether a food contains gluten is sometimes difficult because it is a component of a wide variety of food additives and components, such as soy sauce and many seasonings. In this article, researchers report that gluten consumption by celiac disease individuals attempting to follow gluten-free diets may be much higher than previously thought. 

Syage JA, Kelly CP, Dickason MA, Ramirez AC, Leon F, Dominguez R, Sealey-Voyksner JA. Determination of gluten consumption in celiac disease patients on a gluten-free diet . American Journal of Clinical Nutrition 2018;107:201–7.
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