‘Eating too little to lose weight harms the body’

According to doctor Le Thi Hai, many people have the mentality of eating less to quickly lose weight, but an energy intake of less than 1,000 calories will be harmful to the body.

Doctor Le Thi Hai, former Director of the Center for Nutritional Examination and Consulting, National Institute of Nutrition, said that weight loss diet is always a topic of interest to many people. However, people have not paid attention to the amount of energy needed for the body, often have the notion that eating less will lose weight.

Some people are on an unscientific diet, with too low an energy level of less than 1,000 calories per day, even fasting or skipping meals. However, this is a misconception, very dangerous because eating too little does not guarantee the energy for basic metabolism and life maintenance in the body. Basic metabolism includes beating heart, breathing lungs, digestive organs, endocrine… These activities take place even when people are in a state of sleep. At this time, people may experience low blood sugar, fainting, and lightheadedness.

Besides, eating too little can cause deficiencies of nutrients, vitamins and minerals, causing the body’s functions to be reversed, making it difficult to work and live. The reason is that humans also have daily mental and physical activities that need to expend energy, in addition to basic metabolism.

According to Master Hai, the level of energy used for basal metabolism varies from person to person, depending on location. Scientists calculate the energy used for basal metabolism of the average person to range from 900-1,100 calories a day. Therefore, people need to eat and drink at least 1,000-1,200 calories a day. If the person is severely obese grade 3-4, it may be necessary to reduce the total energy intake to less than 900 calories, but it must be done in the hospital and closely monitored by a doctor.

Since then, Doctor Hai recommends everyone to follow a reasonable diet. People can reduce their energy needs in their daily meals, but they must calculate and balance their diets to add enough nutrients such as carbohydrates, proteins, fats, vitamins and minerals.

The principle of weight loss is to gradually reduce the level of energy supplied to the body to the lowest threshold that people can tolerate. People should not immediately reduce their energy levels, causing shock to the body. Should diet in combination with regular exercise and sports every day for 30 minutes, choose exercises suitable for health and age, to effectively reduce fat, build a beautiful body, do not consume muscle at the same time. provide enough water for the body.

A diet rich in green vegetables and low in starch is beneficial for people to lose weight. Image: Unsplash



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