1.   Added to this is the recent discovery of the effect on the body of fat calories compared with carbohydrate calories.

2.   Research has proved that we can eat more carbohydrate calories than fat calories and still lose weight!

3.   Since then, scientists have proved that fat calories are much more fattening than carbohydrate calories.

4.   This is because the body uses carbohydrate calories in a different way from fat calories.

5.   A fat calorie is different from a protein calorie and from a carbohydrate calorie.