The reference values, collectively called the Dietary Reference Intakes (DRIs), include the Estimated Average Requirement (EAR), the Recommended Dietary Allowance (RDA), the Adequate Intake (AI), and ...

Water helps you digest your food, absorb nutrients, and get rid of waste. As you get older, you might lose your sense of thirst. Also, medicines you're taking or health conditions may make it more ...

Visit NAP.edu/10766 to get more information about this book, to buy it in print, or to download it as a free PDF. This report is one of a series designed to provide guidance on the interpretation and ...