If you feel being in your weight is important so you should use a little of your time in to learn few things about nutrition. In this article we present a few basics.
The energy balance
A fundamental law that explains that a thin person or broiler (without taking into account the effects of fluid retention or loss) is the energy balance and looks like this:
If a person absorbs more calories than you use then you gain weight.
If a person absorbs less calories than you use then you lose weight.
But this seemingly simple law has many nuances that should let you know. And really understand the mechanisms by which gain or lose weight. Today, nutritionists know it's very important that induce metabolic effect of food.
Difference between calories consumed and absorbed
Calories come from three types of macronutrients: carbohydrates, proteins and lipids.
First I want to highlight the fact that they are the same caloric intake than the calories absorbed. We can only say that a macronutrient has been absorbed as it crosses the intestinal wall and into the blood.
There are major differences between intake and calorie absorption in the case of some diseases that can cause diarrhea or vomiting or parasitic diseases such as tapeworms. There are also people that thins at the expense of their health by using laxatives, or artificially causing vomiting (bulimia).
Some extremely thin people have a hard time gaining weight due to an irritable colon which prevents the absorption of much of the food you eat. There are also experts in nutrition and Michel Montignac who argue that some forms of carbohydrates, due to its structure are hardly digested by healthy people and therefore only part of them enters the bloodstream as glucose.
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