Contents
1. Tiring, persistent hunger
The obvious effect of using excessively low-calorie diets is a feeling of high hunger. During such diets, we will often get tired of sucking in the stomach or abdominal pain. There will also be a strong appetite for various types of products, because diets below 1000 kcal will increase the concentration of ghrelin in the blood, and ghrelin is called the hunger hormone.
2. Difficulty concentrating, mood disorders
Starvation diets also result in problems with concentration, as blood sugar levels drop, leading to confusion, nervousness, trouble concentrating and excessive sleepiness. It should be remembered that the minimum amount of carbohydrates that must be provided to the body during the day is 100 g. If we provide less of them, we can unfortunately lead to the above-mentioned problems. We wrote more about it in the article Why carbohydrates in the diet? In addition, an increase in the level of ghrelin in the blood stimulates the search for food, so that our thoughts are focused primarily on food. This distracts you and prevents you from focusing on more important things.
3. Slow metabolism
When we go on a starvation diet, our body turns on a mechanism designed to save energy. He has the ability to adapt to the amount of energy supplied to him with the diet and is able to defend himself against the negative effects of starvation. Therefore, it leads to a decrease in basal metabolism and postprandial thermogenesis, which results in a slower metabolism. In the first week of a drastic diet, the reduction in PPM can be as much as 8%. As a result, the weight loss process becomes much more difficult.
4. Effect jojo
However, it is not only the process of losing weight that becomes more difficult, but also the subsequent withdrawal from the diet. By slowing down the metabolism, returning to normal portions of food may end up quickly regaining the lost kilos, even if we try to exit the diet gradually.
5. Health problems
Low calorie diets cannot provide you with all the nutrients you need. A deficiency in vitamins and minerals can lead to a range of health problems and a decline in immunity. In addition, hair loss, broken nails, skin problems and many other problems may occur, which will make us look less attractive despite the lower weight.
6. Muscle loss
Starvation also leads to loss of muscle mass. Maintaining muscle requires more energy than maintaining body fat. For this reason, the body can burn muscles, which is very disadvantageous for us, because the more muscles we have, the faster our metabolism. In addition, our body looks better and we are more fit. Unfortunately, using a diet without an adequate supply of protein and energy, it is easy to lose hard gained muscle tissue
7. Risk of fainting
Diets that are too low in calories can also lead to fainting and fainting. The body will not always be able to defend itself against the negative effects of starvation diets. And fainting can be very dangerous, especially if you hit your head on the ground while you faint.
8. Ketoacidosis
Lack of adequate energy supply over an extended period of time leads to fat burning instead of glucose. The result is the production of ketone bodies that acidify the body. It develops ketoacidosis with symptoms such as headaches, dry mouth, dizziness, fatigue and nausea. In extreme cases, acidosis may lead to coma.
9. Stretch marks, sagging skin
Losing weight too quickly can also lead to stretch marks and sagging skin. Rapid loss of kilograms is associated with the deterioration of skin firmness and elasticity. We wrote more about it in the article Stretch marks – where do they come from? At this point, it is worth remembering that it is difficult to get rid of these problems later, after the end of the diet. As a result, we may weigh less, but our body is in a deplorable condition.
10. Eating disorders
Eating excessively low-calorie diets can also result in eating disorders. Such diets disturb the natural mechanisms of food control and replace physiological control, i.e. feeling hungry, with cognitive control, i.e. the limit of how much you can eat. The mechanisms responsible for the feeling of hunger and satiety are disregulated, which means that the sensitivity to these states is disturbed and it is difficult to distinguish whether you are already full or not yet. For this reason, the use of low-calorie diets has been associated with compulsive eating syndrome, indicating that the most common cause of this disorder is the earlier use of drastic diets.
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Main photo: Photo credit: natasia.causse / Foter / CC BY
Photo 1: Photo credit: Patrick Denker / Foter / CC BY