Additionally, once all the stored fat is used up, the body will no longer be able to function on so few calories.

You can help family eat more without overloading on calories.

In Massachusetts, those who sell food to the schools are required to provide information on the levels of fat and calories per serving.

If you're overweight, cut back on calories to help reduce your cholesterol level.

To save on fat and calories, reach for a low-fat version.

To cut back on total calories, they advise, eat less fat.

The study didn't focus on calories; all participants followed their regular diets.

For more advice on cutting calories, see How to lose weight.

I was really hungry, perhaps after being so low on net calories yesterday.

It's a smart way to feel full without loading up on calories.