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7 Dietary Reference Intakes for Energy, Carbohydrate, Fiber, Fat, Fatty Acids,
Pages 73-86

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From page 73...
... DISCUSSION OF RESEARCH RECOMMENDATIONS Presenter: Joanne R Lupton This presentation on the knowledge gaps and research gaps from the DRI Macronutrients Report (IOM, 2002/2005)
From page 74...
... • The research is related to DRI values that were difficult to meet as a part of eating plans that are consistent with the Dietary Guidelines for Americans 2005 (DHHS/USDA, 2005)
From page 75...
... Thus, Dr. Lupton suggested considering the new literature and the ongoing studies on added sugars and weight gain, and how many discretionary calories can be consumed without gaining weight.
From page 76...
... Thus, a research need is to study the effect of fiber intake, specifically in children. A pertinent research question is whether a difference in overall health occurs if the fiber in a high-fiber diet is derived mainly from dietary fiber versus functional fiber.
From page 77...
... Kohl This presentation provided background information on physical activity as related to Dietary Guidelines for Americans and then focused on a selection of the many specific research recommendations contained in the DRI Macronutrients Report. Physical Activity and Dietary Guidelines for Americans Physical activity was incorporated in the Dietary Guidelines for Americans in 1990 when the role of physical activity for energy balance
From page 78...
... Most recently, in 2005, a specific recommendation was made that both adults and children should accumulate 60 minutes of daily moderate intensity physical activity in addition to the activities required to maintain a sedentary lifestyle to prevent weight gain and to promote additional health benefits. Status of Research Recommendations Pertaining to Energy and Physical Activity The DRI Macronutrients Report (IOM, 2002/2005)
From page 79...
... Dr. Kohl considers it absolutely essential to expand the doubly labeled water studies of total energy expenditure, giving attention to the need for prospective data, adequate representation of age groups and ethnic groups, and a randomly selected set of study subjects.
From page 80...
... Notably, consistent inverse associations exist between physical activity and the disease outcomes presented. Moreover, higher amounts of physical activity are associated with a continuing lower risk of disease outcome, but at an increasingly diminishing level.
From page 81...
... . Additional topics included considerations for setting DRI values for fiber, research progress, and research questions that merit more attention.
From page 82...
... Considerations for Setting DRI Values for Fiber Unlike the case for most other nutrients, the recommended intake of fiber was based on protection against disease, not another functional end point.
From page 83...
... . Research Progress The DRI Macronutrients Report contains 12 research recommendations pertaining to fiber -- all of which Dr.
From page 84...
... Research Questions That Merit More Attention Some big questions regarding dietary fiber and functional fiber merit more attention. What measurements should be recommended for investigating effects of feeding functional fibers?
From page 85...
... Dr. Lupton agreed that carbohydrate recommendations led to misunderstandings, especially with regard to the recommendation not to exceed an added sugars intake of 25 percent of energy intake.


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