Obesity: the reasons for which tests you need to take

Doctor Ekaterina Gergesova said that the inability to lose weight may indicate a thyroid disease

Doctor Ekaterina Gergesova said that the inability to lose weight may indicate a thyroid disease

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What is the problem with losing weight and how tests help him – understands Ekaterina Gergesova, the highest qualification category, candidate of medical sciences, medical consultant of the Lab4U online laboratory.


“Basically, the idea that to lose weight you need to eat less and move more is true,” the doctor explains. – The difficulty is that the human body is not a car. It is possible to pour fuel into the car and it will burn it in a certain time. But the human body is not an engine, which is why it can be so difficult to lose weight, focusing on “eat less, run more.”

For example, disorders in the production or absorption of insulin by cells (prediabetes) may lead to an uncontrolled increase in appetite and cravings for sweets.

What analyzes are useful:

This condition can be detected with glucose and insulin tests, which are used to calculate the insulin resistance score. Another important test for diagnosing diabetes is the study of glycated hemoglobin.


As soon as malfunctions occur in the work of the thyroid gland, this affects the entire body. Including weight gain (hypothyroidism) or its deficiency (hyperthyroidism). You should not rejoice about the latter – hyperthyroidism is accompanied by many extremely unpleasant symptoms.

How analysis is useful:

On TSH – thyroid-stimulating hormone


Both carbohydrates and fats are necessary for the normal functioning of the body – for example, without fat, the condition of the skin and nails will immediately worsen. But if there are violations of fat metabolism, then the benefit is replaced by a set of extra pounds and centimeters.

What analyzes are useful:

Lipidogram, which shows the concentration of fats and fat-like compounds in the blood: triglycerides, cholesterol and high, low and very low density lipoproteins.

By the way, a change in the level of lipoproteins can also indicate the development of diabetes, coronary heart disease, etc.


Another doctor, after collecting anamnesis, can recommend you tests for a lack of certain vitamins:

* Omega-3 deficiency that we get from food (salmon, mackerel, tuna, herring, sardines, vegetable oils, legumes, walnuts) can lead to a slowdown in metabolism, a decrease in muscle mass and an increase in adipose tissue. Omega-3s are also very important for the functioning of the heart, brain, blood circulation, skin condition, memory function, etc.

* Vitamin D deficiency: The sunshine vitamin is needed for normal thyroid function. There is a link between vitamin D deficiency and weight gain, as well as the appearance of insulin resistance. In our country, many people are at risk for vitamin D deficiency.

* Ferritin is a complex of protein and iron phosphate. Its main task is to store iron and protect cells from its harmful effects. It would seem, what does obesity have to do with it? But the hormonal background, including thyroid hormones, also depends on the production of ferritin. Low ferritin levels may indicate a risk of hypothyroidism.


And we didn’t even talk about hormones.

And it’s not just about sex hormones (and progesterone, prolactin, estrogen, testosterone have a huge impact on life and health). There is also the stress hormone cortisol, which is produced by the adrenal cortex. Too much of it is bad. But when it’s not enough – too. It turns out that cortisol deficiency can cause obesity, because. cortisol is responsible for the production of energy from glucose in the liver, explains Ekaterina Gergesova.

“In a word, to sum it up, obesity always has a reason. The idea that supposedly for a woman (and for a man) it is natural to gain 15-20 kilograms due to age is a thing of the past. Most often, with proper and thorough diagnosis, it is possible to establish why weight gain occurs. And then everything is in our hands: following the doctor’s prescriptions, proper nutrition with a balance of proteins, fats and carbohydrates, physical activity – and everything will be fine! – sums up the doctor.

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