Write a 400-500-word essay addressing the following:

1. Compare methods of assessing body weight and composition.
2. Contrast different approaches to weight loss based on safety and effectiveness. 
3. Show how dietary requirements change in response to physical activity level.
4. Give one or more examples of nutritional requirement changes from childhood, adolescence, young adults, middle-aged adults, and the elderly.
5. Besides the text, you are required to use a minimum of three other references properly cited.
6. Prepare this assignment using the APA 6^th Edition Template, the APA Style Guide and the APA Citation Guide, located in Course > Syllabus > Study Materials > Electronic Resourcesection. An abstract is not required.
7. Be sure your name is included in the file name of the document before submitting it to the assignment drop box.
8. You are not required to submit this assignment to Turnitin.