But knowing this doesn't make weight loss any easier.
Excess weight is more than being uncomfortable, it is a medical risk.
You can slightly reduce this number if your goal is to lose weight, or you can increase that number if you are very active. The Food Guide Pyramid shows a range of servings for each of the five major food groups. The number of servings you need from each group depends on how many calories you need to maintain a healthy weight. Following the serving recommendations from the five major food froups will satisfy most of your body's daily nutritive needs.