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Suggested Citation:"Part I." National Academies of Sciences, Engineering, and Medicine. 2017. Redesigning the Process for Establishing the Dietary Guidelines for Americans. Washington, DC: The National Academies Press. doi: 10.17226/24883.
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Part I

This report is presented in two parts to facilitate understanding of this National Academies of Sciences, Engineering, and Medicine (the National Academies) committee’s vision and recommendations for an improved process to update the Dietary Guidelines for Americans (DGA), particularly for those readers who are already familiar with the details of the current process. Part I presents this National Academies committee’s judgments and recommendations to redesign the process to update the DGA. Part II provides a detailed description and evaluation of the process as it has been conducted in recent cycles. Part I consists of three chapters:

Chapter 2 provides this National Academies committee’s vision for how the roles and purposes of the process to update the DGA could best support development of dietary guidelines that Americans can trust and follow.

Chapter 3 presents this National Academies committee’s proposed process redesign model to help the DGA adapt to future changes in Americans’ health.

Chapter 4 suggests how the evidence base for the DGA can be strengthened. This is a critical topic given that the DGA are required to be based on the preponderance of evidence.

This National Academies committee encourages readers who would like a more in-depth description of the DGA process to turn to Part II for a full accounting of the current process, inclusive of an evaluation and key findings.

Suggested Citation:"Part I." National Academies of Sciences, Engineering, and Medicine. 2017. Redesigning the Process for Establishing the Dietary Guidelines for Americans. Washington, DC: The National Academies Press. doi: 10.17226/24883.
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Suggested Citation:"Part I." National Academies of Sciences, Engineering, and Medicine. 2017. Redesigning the Process for Establishing the Dietary Guidelines for Americans. Washington, DC: The National Academies Press. doi: 10.17226/24883.
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Page 31
Suggested Citation:"Part I." National Academies of Sciences, Engineering, and Medicine. 2017. Redesigning the Process for Establishing the Dietary Guidelines for Americans. Washington, DC: The National Academies Press. doi: 10.17226/24883.
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Page 32
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What foods should Americans eat to promote their health, and in what amounts? What is the scientific evidence that supports specific recommendations for dietary intake to reduce the risk of multifactorial chronic disease? These questions are critically important because dietary intake has been recognized to have a role as a key determinant of health.

As the primary federal source of consistent, evidence-based information on dietary practices for optimal nutrition, the Dietary Guidelines for Americans (DGA) have the promise to empower Americans to make informed decisions about what and how much they eat to improve health and reduce the risk of chronic disease. The adoption and widespread translation of the DGA requires that they be universally viewed as valid, evidence-based, and free of bias and conflicts of interest to the extent possible. However, this has not routinely been the case.

A first short report meant to inform the 2020 review cycle explored how the advisory committee selection process can be improved to provide more transparency, eliminate bias, and include committee members with a range of viewpoints. This second and final report recommends changes to the DGA process to reduce and manage sources of bias and conflicts of interest, improve timely opportunities for engagement by all interested parties, enhance transparency, and strengthen the science base of the process.

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