In your senior years, you need fewer calories due to changes in your metabolism. This chart shows estimated calorie needs. It should only be used as a reference point because everybody's ...

The chart shows how many calories an average American child or adult gets from each food group every day. For example, pizza, on average, supplies about 136 calories per day to American children ...

A calorie is a unit of energy. In nutrition, calories refer to the energy people get from the food and drinks they consume and the energy they use in physical activity. Calories are in the ...

Calories provide the energy needed to stay alive, but some foods pack in more "empty" calories, i.e. those that don't offer much nutritional value (think: highly processed, overly sugary ...