The nutritionist told about the reasons for weight gain on a diet

In pursuit of an ideal figure that meets all the trends of a healthy lifestyle, people unknowingly decide to take drastic measures, said Anastasia Lebedeva, Associate professor of the Department of Dietetics at ROSBIOTECH University.

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"For weight loss, it is really recommended to create a calorie deficit, but no more than 10-20% of the daily value, but this amount depends on many factors. In particular, for most women it is important to consume at least 1,200 kcal per day, and for men it is not necessary to lower the target of 1,500 kcal," Lebedeva explained.

The expert emphasizes that when choosing a diet, it is necessary to focus on the age and degree of physical and mental activity of a person. The associate professor recommends calculating the daily requirement with specialists who are able to take into account all individual characteristics.

"Severe calorie deficiency slows down the metabolism, leads to loss of muscle mass, deterioration of well–being, and a rapid breakdown - overeating. During any diet, even when switching to a low—calorie diet with a small calorie deficit, the body undergoes a restructuring of all systems — adaptation to new conditions for the supply of energy resources," warns Anastasia Lebedeva.

Since the mode of saving resources for vital activity is activated: a person's basic metabolism decreases, water is retained in the body, the interlocutor of Izvestia points out.

"Therefore, it is quite logical that in the first few days after switching to a diet, a person's weight may increase slightly. In addition, the hormonal background is disrupted, including the exchange of sex hormones in men and women," Lebedeva warned.

With a prolonged period of calorie restriction, such changes become irreversible, so much so that even with an increase in the intake of energy resources from food, some functions are not restored. Therefore, all diets and therapeutic fasting are prescribed by specialists.

For more information on how to choose the right diet and why in some cases weight gain continues despite restrictions, see the Izvestia article.

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