Well you dont have any following statements for me to answer, i can say one thing, weight and energy are the same because depending on if you are going to gain or lose weight, loseing weight causes more energy usage out of you and if you are gonna lay off and gain weight, it causes less energy being used out of you, energy depends on the weight
Epistaxis is the word you are looking for
It's an act of controlling or portioning in regards to food. Regulating "big foods" or unhealthy foods who be controlling how much you each of these foods.
It helps consumers afford the product