Given that dieting is "dietary balance" and having to lose weight only concerns the loss of adipose tissue, the theory of skipping a meal during the day, it's good for the body , is completely unfounded and on the contrary I show you how harmful this practice is, for well-being and metabolic balance.

Skipping meals predisposes you to fasting, but let's see what happens :

-Slows down the metabolism
-Predisposes to loss of lean mass (muscle fiber)
-It predisposes to increasing adipose mass (localized subcutaneous fat)
-It predisposes to the production of ketone bodies (acetone)
-It predisposes to physical and metabolic stress (nervosismo)
-Predisposes to weight gain over time

Let's delve deeper into these aspects:

The organism placed in a condition of food deprivation, goes on "alert" i.e. the lack of food intake causes the lowering of the glycemic value in the blood, (hypoglycemia) therefore decrease in energy well-being and resulting in a blockage of the metabolism, (organic defense).
This is where all the symptoms resulting from fasting come from: dizziness, asthenia and physical weakness, sonnolenza, migraine. Symptoms of stress and nervousness due to deprivation, in fact the adrenal glands lack nutrients, they release more cortisol also known as the "stress hormone" therefore increased irritability. The brain is known to feed on sugars, the lack of nutrition lowers blood glucose levels and the next meal will certainly lead to double carbohydrate intake, therefore dietary imbalance and increased appetite stimulation leading to the desire for every type of food, even "unhealthy" ones (food and psyche).
Of course it's hard to believe that just for jumping 1 meal a day we face many negative effects, but that's exactly how it is, just think that at the beginning you lose liquids (and so far nothing serious) then the muscles represent the carbohydrate source for the body (muscle glycogen) more palatable in the fight against nutrient deficiency, certainly in the meantime the scale will have shown a decrease in weight but in reality it equates to less muscle and more fat mass still stored (<muscles=>fat mass = metabolic slowdown) the body burns less and as soon as you give it a subsequent meal, you will gain back all the lost kilos by adding a few more.
Skipping meals is therefore not a dietary or psycho-physical balance, rather these fluctuating practices predispose to anorexia and/or bulimia (eating disorders) also remember that the heart is a muscle so this practice leads to disorders of the cardiovascular system, alterations of the menstrual cycle, infertility. When fasting especially, if this happens often, the body is lacking nutrients and then it will help itself, obtaining nutrient molecules by degrading itself (your car).
Start using glucose reserves from muscles and liver (GLYCOGENOLYSIS) subjecting the latter to more work. Then use i triglycerides to obtain glycerol, from which more glucose will derive (GLUCONEOGENESI). From here the production of ketone bodies i.e. acetone occurs, acetoacetate and D-beta- hydroxybutyrate (KETOSIS) substances toxic to the body. L’acetone it is very volatile and is eliminated through breathing, (verifiable by the acrid breath) the other two, instead they are transported in the blood and cause acidosis which is a condition characterized by an increase in blood acidity (lowering of pH ). Ketosis (also called acetonemia) it is a condition that occurs during prolonged fasting, in carbohydrate deficiency or due to intense energy consumption (prolonged physical activity) therefore in all those conditions of carbohydrate deficit (hypoglycemia), a bit like what happens in childhood (this is. feverish condition, He retched) and in uncontrolled diabetics.

Regarding the glycemic deficit, it should also be said that do not eat carbohydrates (elimination from the diet) leads to a decrease in serotonin whose role is against depression and obesity. In fact, it enters into the regulation of multiple activities at the level of the Central Nervous System, such as pain threshold control, sleep induction, regulation of pituitary endocrine activity, neuronal excitability, thermoregulation, appetite, sexual behavior, aggression. Multiple studies have shown that an increase in serotonin levels (which does not happen in carbohydrate deficiency) leads to an elevation of mood, decreased appetite, improvement of sleep. Vice versa, depressive syndromes manifest themselves, in most cases, in fact, due to a defect in serotonin it can be a short step from bad diets to depression.
Be wary, then, by miracle diets that promise you absurd and timely weight loss or propose prolonged fasting, and always keep in mind that to lose weight, you need to learn to eat healthy!

 

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Dr. Claudia Bottino
Nutrizionista Laurea 1 livello in Dietistica Presso UNIPA Laurea Magistrale Laurea Magistrale in Scienze dell'alimentazione e Nutrizione Umana presso UNIPG (Univ. Perugia) Biological Sciences and professional practice Enabling UNIPA
http://nutrizionistaclaudiabottino.it/