What is a calorie?
Like fat in a fire, the calories in our body generate heat when "burned off" (oxidized), though much more slowly. The "heat" allows us to maintain body temperature at 37℃ and allows normal organ and body functions.
The measure of the heat is called a "calorie." One calorie can raise the temperature of one liter of water one degree Celsius. One gram of plant or animal fat can generate nine calories of heat. The same amount of starch, sugar, or protein can only generate four calories.
To reduce weight, one must reduce food with oily fat, like cake, fried eggs, and so on. However, one can't eat none at all, for after eating a little fat one won't be so hungry.
Carbohydrates easily turn to fat in the body, so these must be controlled. But if you skip them entirely, the body's fat will not normally replace itself, with bad effects for the kidneys and liver.
How to choose low calorie foods:
△Equivalent weight--find foods that are the same in weight, but lower in calories, rather than reducing the intake of fatty foods; this will leave you feeling fuller (e.g. consume the same volume of skim milk rather than drink less whole milk).
△Avoid sweets and oily food.
△Foods with high water content are better--vegetables, fruit, sugarless sovbean milk.
-High fiber is better--bamboo, celery, germinated (instead of white) rice, whole wheat (instead of white) bread.
△Foods that are tough to eat, like meat with a lot of bones, are better. Eat fresh fruit rather than drink fruit juice.
△Eat foods without calories which can't be digested, such as agar.
△Eat less salt; salty things sharpen your appetite.
△Avoid foods with sauce; they often con tain sugar, starch, salt . . . in short, lots of calories.
Fruits and vegetables are not only low in calories, they are high in vitamins and fiber--highly recommended for the unpleasantly plump. （photo by Vincent Chang）
Fruits and vegetables are not only low in calories, they are high in vitamins and fiber--highly recommended for the unpleasantly plump. （photo by Vincent Chang）
Fruits and vegetables are not only low in calories, they are high in vitamins and fiber--highly recommended for the unpleasantly plump. （photo by Vincent Chang）
Using gym time at school for racing around is something kids can do comf ortably and happily. （photo by Arthur Cheng）
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