Why do some scientists say to eat a certain amount of the food pyramid item each a day?

Answer 1

Check this site.

http://www.mypyramid.gov/

Answer 2

this does not help

Answer 3

These are the reasons recommend that we eat certain amounts of food from the food pyramid:

Make smart choices from every food group.
Find your balance between food and physical activity.
Get the most nutrition out of your calories.
Stay within your daily calorie needs.

Answer 4

but whats there reasoning behind it

Answer 5

uh...how about to stay healthy by getting the right nutrients?

Answer 6

"Nutrition is an input to and foundation for health and development. Interaction of infection and malnutrition is well-documented. Better nutrition means stronger immune systems, less illness and better health. Healthy children learn better. Healthy people are stronger, are more productive"

http://www.who.int/nutrition/en/

Answer 7

thank you

Answer 8

You're welcome.