Discouraging effects of the diet: we tell what restrictions can cause irreparable harm to health

Fish, shrimp and other seafood contain heavy metals.  With frequent use, they can accumulate in the body

Fish, shrimp and other seafood contain heavy metals. With frequent use, they can accumulate in the body

A photo: Shutterstock

Fashion for a healthy lifestyle, including proper nutrition, is gaining momentum. “Many people believe that if something is healthy, then you need to eat it as much as possible,” notes family therapist, clinical nutritional psychologist, member of the National Dietetic Association Anna Ivashkevich. However, excessive enthusiasm for a healthy lifestyle, like any fanaticism, can go sideways. The expert spoke about common examples of such excesses in nutrition and how to avoid them in an interview with Komsomolskaya Pravda.

Part 1


You will be surprised, but you can get poisoned not only by missing food or unwashed fruits and vegetables. But also the freshest and healthiest protein!

– In my practice, there was a case of protein poisoning with seafood, – Anna Ivashkevich recalls. – The patient ate 15 oysters at one time. “It’s terribly useful, pure protein and iodine,” he later explained. Intoxication occurred 6 hours after the meal. Gurman was taken to the hospital with protein poisoning. Symptoms of this condition are not the most pleasant: slowing of the pulse, weakness, headache, nausea, diarrhea, a feeling of severe hunger.

Busting with seafood can lead not only to such an emergency, the doctor warns. Fish, shrimp and other seafood contain heavy metals. With frequent use, they can accumulate in the body. Seafood is also rich in purine bases. When these substances are broken down, uric acid is formed. In people with gout, excess gout leads to severe complications. In addition, a diet with a large amount of purines is contraindicated in urolithiasis.


How to correctly combine products

Doctors recommend that fish be on our table 2-3 times a week. In people with gout and those with kidney problems – once.

– The abuse of seafood can adversely affect the functioning of the thyroid gland, contribute to the appearance of kidney stones, provoke constipation, – Anna Ivashkevich lists. – Always try to combine and alternate protein with carbohydrates and fats.

! Add a side dish of vegetables, whole grains to fish (this type of cereal will be indicated on the package).

! Eat lean meats: chicken, turkey, rabbit.

! If there are no serious problems with digestion (exacerbation of gastritis, pancreatitis, colitis, etc.), alternate animal protein with vegetable. The latter are rich in beans, peas, beans, lentils, soybeans, mushrooms, nuts.


In almost every beauty and health magazine or blog there is advice to start the day with a glass of water with lemon. It is recommended to drink on an empty stomach. Instead of lemon juice, there are other recipes with the addition of apple cider vinegar and baking soda to the water.

– The danger lies precisely in these additional ingredients, – warns Anna Ivashkevich. – A highly acidified drink can harm the stomach, cause chemical burns to the larynx and esophagus. Also, with the regular use of such solutions, tooth enamel suffers.

! To avoid problems, throw a maximum of one slice of lemon into a glass of water, the doctor advises. To enhance the taste, just let the drink brew longer.


Reasonable restriction of salt is welcome. WHO recommends eating no more than 5 grams per day, including salt in all foods. But the transition to a completely salt-free diet can go sideways. The author of this material a few years ago set up such an experiment on herself and felt the effect pretty quickly. A week and a half later, severe weakness, dizziness and other unpleasant symptoms appeared.

Our body needs salt. The lack of sodium entails the retention of essential micronutrients from any incoming food. Sodium retention, in turn, causes water retention. As a result, even on a salt-free diet, you can get edema, Anna Ivashkevich explains.

In addition, the lack of salt in the diet can lead to frequent headaches, cramps. “Some healthy eaters are trying to include vegetables grown on sodium fertilizers in their diet. But this does not help to fill the body’s needs for salt, ”the expert notes.

Switching to an all-salt-free diet could backfire

Switching to an all-salt-free diet could backfire

A photo: Shutterstock


To make quick decisions, to process the powerful flow of information that we face today, the brain needs energy from fast carbohydrates, neuroscientists explain. Slow carbohydrates (whole grains, cereals, etc.) are not absorbed so quickly.

“If you constantly limit yourself to sweets, and then reproach yourself for breakdowns by eating a candy or a piece of cake, this is the basis for the occurrence of adverse psychological consequences,” warns clinical nutritionist Anna Ivashkevich.

Doctors of various profiles (cardiologists, endocrinologists, neurophysiologists) interviewed by KP confirm that diets with severe restrictions cause serious stress. And the latter, in turn, is fraught with a decrease in cognitive functions – memory, concentration, performance. Plus provokes a depressed, depressive state.

“Our body is evolutionarily adapted to process various substances, including sweets. The main thing is to use everything in a reasonable amount, ”cardiologist Yaroslav Ashikhmin said in an interview with KP.


Any diet should not turn into chronic stress. It leads to the destruction of nerve cells, doctors emphasize. As well as other adverse effects. In other words, there is no need to torture yourself.

“Do not forbid yourself any carbohydrates or fats. Strive for a balanced diet based on: 40% proteins, 30% fats, 30% carbohydrates, – advises physician and nutritionist Anna Ivashkevich. – There are no harmful or dangerous products. It is important to consume everything in moderation. Even overeating cucumbers can make you feel bad.”

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