Gender: Female. Usage: Gwyneth, of Celtic origin, is a popular first name. It is more often used as a girl (female) name. People having the name Gwyneth are in general originating from United Kingdom, United States of America. Meaning:
Importance of Calories: Calories And Health. The caloric balance of your diet is major factor determining your overall health. Your calories will be balanced, when, over time, the number of calories you take matches the number of calories you burn.
Calories are needed to provide energy so the body functions properly. The number of calories in a food depends on the amount of energy the food provides. The number of calories a person needs depends on age, height, weight, gender, and activity level.