WHAT ARE CALORIES?
A calorie is a unit of energy. Historically, scientists have defined "calorie" to mean a unit of energy or heat that could come from a variety of sources, such as coal or gas. Calories in food provide energy in the form of heat so that our bodies can function. Our bodies store and "burn" calories as fuel. Many dieters count calories and try to decrease caloric intake to lose weight.
What is the work of Calories in our body?
Body Uses Calories- Your body needs calories just to operate-to keep your heart beating and your lungs breathing. As a kid, your body also needs calories and nutrients from a variety of foods to grow and develop. Being active every day keeps your body strong and can help you maintain a healthy weight.
How much calories need in a day?
MEN= The average man needs 2,500 calories to maintain, and 2,000 to lose one pound of weight per week. However, this depends on numerous factors.
WOMEN= The average woman needs to eat about 2,000 calories per day to maintain her weight, and 1,500 calories per day to lose one pound of weight per week.
How to calculate calories?
To calculate this, divide a food or drink's calories from fat by total calories and then multiply by 100. For example, if a 300-calorie food has 60 calories from fat, divide 60 by 300 and then multiply by 100.