The word "diete" comes from the Old French "diete" meaning "regular food" around 1225 AD and the Latin "daily food allowance, prescribed way of life", also from the Greek "diatia", originally meaning "way of life, diet, dwelling", from diaitasthai "to lead one's life".¹Diet as "diet" is now seen as a prescribed diet taken over a period of time after which all your problems are solved, which is for most people this means that there is always an end in sight when they no longer need to follow the prescribed "diet"; Most of the time, the “diet” is aimed at losing weight. This is not the case for everyone who needs a diet. Most will find that there needs to be a permanent change in their lifestyle and eating habits. This requires a paradigm shift in their overall behavior, so it would be great if the old meaning of diet was restored, preferably the Greek version mixed with a little Latin and that meant "daily food allowance tailored to the way one leads his life.” What a mouthful; but that would stop us from thinking that dieting is a quick fix to weight loss and all of life's other problems. Weight Loss Diets There is “no such thing” as a weight loss diet. There is a certain law: “What goes in must come out, otherwise you will gain weight!” » If you don't use the calories you ingest, you will gain weight in the form of fat. Forget the word diet as you knew it and now think of diet as the amount of food you need to eat to maintain your body and health. As everyone knows, once you finish a so-called diet and return to your old eating habits, whatever you suffered from before your return. This applies not only to weight loss, but also to things like weight gain, diabetes and ...... middle of paper ...... it's about deciding the type of work to do or type of food to eat, the choice you make will have a profound effect on your life. By now, I guess almost everyone has heard the saying “you are what you eat”, and more correctly would be “you are what you eat and digest”. The statement is correct; So the next point to consider is whether the food intake is nutritious or mostly nutritious empty calories. The body requires certain minerals, vitamins and amino acids from food intake to function optimally and if these are not provided through food intake, a pathological state will result. The science of human nutritional needs, that is, nutrition is a dynamic science and not everything is known, discoveries are made almost daily and apart from that, the difficulty in determining the effect Singularity of nutrients on the human body is practically impossible..