Explain why the day-to-day variation in an individual's nutrient ...

[kaid0807]

Explain why the day-to-day variation in an individual's nutrient intake can have important implications for nutritional epidemiologic studies.

Question 2

Explain how the complexity of our diets creates challenges in studying the relationship of diet to disease.

[Tonny]

Answer to Question 1

If only one day's intake is determined, then, the true long-term nutrient intake may be misrepresented, leading to a false assessment of nutritional status.

Answer to Question 2

 The complexity and diversity of chemicals found in the foods and supplements we consume
 The need for long-term dietary intake to be examined
 The variety of foods consumed throughout the year
 The variety of foods consumed day-to-day (within-person variation)