stances intentionally added to food are defined as “food additives” and, in turn, that food additives must be approved by FDA before they are added to foods. The process of approval requires scientific evidence gathered by the petitioner to demonstrate that the substance—under the conditions of its intended use—meets the safety standard of a reasonable certainty of no harm.6 This standard recognizes both that safety cannot be proven with absolute scientific certainty and that a substance may be safe for one use or under certain conditions, yet possibly unsafe for other uses or under other conditions.
At the same time that Congress set in place the food additives framework, it also concluded that many substances intentionally added to foods—
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7 The Regulatory Framework: A Powerful and Adaptable Tool for Sodium Intake Reduction ."
Strategies to Reduce Sodium Intake in the United States . Washington, DC: The National Academies Press,
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As of 2013, the National Science Education Standards have been replaced by the Next Generation Science Standards (NGSS), available as a print book, free PDF download, and online with our OpenBook platform.
The NGSS offer a detailed description of the key scientific ideas and practices that all students should learn by the time they graduate from high school. The standards are based largely on the 2011 National Research Council report A Framework for K-12 Science Education: Practices, Crosscutting Concepts, and Core Ideas.