According to the USDA:
The amount of grains you need to eat depends on your age, sex, and level of physical activity. Most Americans consume enough grains, but few are whole grains. At least ½ of all the grains eaten should be whole grains. Eat at least 3 oz. of whole grain cereal, rice, pasta, or crackers every day.
In 1941, the National Research Council recommended enriching white flour and white bread
a slice of bread
how many ervings in 2 slices of bread
Balsamic Vinegar
Technically potato chips are under the vegetable food group. However, a serving of chips should not be considered a serving if you are looking to eat the recommended daily amount of vegetables and is a snack.
1 serving
The average loaf of bread weighs 1lb and 8 ounces. The average loaf of bread has 24 servings--1 ounce per serving. a two pound loaf of bread would have 32 servings.
In a serving size of 45 gr. the white bread has one gram of fat.
1 serving of Starbucks' pumpkin bread is 390 calories.
Bread
That's upto you, bread contains carbs and it depends on how much energy you burn. If you eat too much bread without burning it off, it turns into extra weight in your gut. The more bread you eat, the more excercise you should do, if you want to stay healthy
Generally speaking, whole grain bread made with natural ingredients is best for children and adults.