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.
National Academies of Sciences, Engineering, and Medicine. 2017. Redesigning the Process for Establishing the Dietary Guidelines for Americans. Washington, DC: The National Academies Press. https://doi.org/10.17226/24883.
|2 Role and Purposes of the Dietary Guidelines for Americans: Evaluation and Findings||33-54|
|3 Process Redesign||55-72|
|4 Strengthening Analyses and Advancing Methods Used||73-100|
|5 Current Process for Developing the Dietary Guidelines for Americans: Key Findings||103-132|
|6 Current Approaches to Examining the Evidence: Key Findings||133-188|
|7 Recent Approaches to Assessing Nutritional Adequacy and Exploring Chronic Disease||189-210|
|Appendix A: Glossary||211-214|
|Appendix B: Public Workshop Agenda and Comments||215-216|
|Appendix C: DGAC Topics and Questions||217-230|
|Appendix D: Dietary Guidelines for Americans Guidelines and Key Recommendations||231-242|
|Appendix E: Additional Information About the Dietary Reference Intakes||243-252|
|Appendix F: Committee Member and Staff Biographies||253-264|
|Appendix G: Disclosure of Conflicts of Interest||265-266|
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