When eating healthy, don't think you have to give up your favorite, guilty pleasures. The United States Department of Agriculture provides a healthy meal plan that helps you enjoy items you may think necessary to avoid. When creating MyPyramid, the USDA allowed a little "cushion room" in their meal plan for something called "discretionary calories."
Scholarly articles for stress recommendations and guidelines
Recommendations - Guidelines for the Management of Conditions ...
https://www.ncbi.nlm.nih.gov/books/NBK159713/
this may help
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True. they ensure that they do not get hurt.
Answer:
They help becasue they are responsible for carryring info throughout the body. Using electrical and chemical signals, they help coordinate all of the necessary functions of life.
Explanation: