USDA’s Nutrition Evidence Library (NEL)
USDA’s Nutrition Evidence Library (NEL) specializes in conducting systematic reviews to inform Federal nutrition policy and programs. NEL staff collaborate with stakeholders and leading scientists use state-of-the-art methodology to objectively review, evaluate, and synthesize research to answer important diet-related questions. An objective and transparent methodology is used to define the state of food and nutrition-related science. The Library is a key resource for making food and nutrition research accessible to all Americans.
What is a NEL Systematic Review?
A NEL systematic review is a state-of-the-art method for evaluating scientific evidence to answer a precise question or series of questions. Nutrition Evidence Library systematic reviews are conducted by a multidisciplinary team of scientific experts, and based on a predefined approach and criteria. Meticulous methods and electronic tools are used to describe and document each step to ensure, objectivity, transparency, and reproducibility of the process.
NEL Systematic Review Process:
- Recruit multidisciplinary team
- Formulate systematic review questions
- Identify and select relevant studies to review
- Conduct literature review for each question
- Extract evidence and critically appraise each study
- Synthesize the evidence
- Develop and grade conclusion statements
Click here to see the
2010 Dietary Guidelines
NEL Evidence Abstractors: After completing a training program, abstractors analyze peer-reviewed articles and draft evidence worksheets, which form the foundation for answering each systematic review question. This national service volunteer opportunity:
- Broadens one's professional knowledge
- Develops literature review and analysis skills
- Increases professional exposure
We are currently not recruiting new abstractors, but check here again for our Call for NEL Evidence Abstractors in the future.
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