Eggs are a nutritious food. One egg weighs about 50 grams, contains 7 grams of protein, 6 grams of fat, and produces 82 kcal of heat energy. The amino acid ratio of egg protein is very suitable for the physiological needs of the human body, is easily absorbed by the body, has an utilization rate of over 98%, and has high nutritional value. Eggs are high in calcium, phosphorus, iron and vitamin A, as well as rich in B vitamins. They also contain many other essential vitamins and trace elements for the human body. They are a good tonic for children, the elderly, postpartum women, and patients with hepatitis, tuberculosis, anemia, and those recovering from surgery. Although eggs are good, the amount you eat should be scientific. According to a recent survey, among some urban workers, some young people engaged in mental work or light physical work eat 5 to 6 eggs a day to increase nutrition; some primary and secondary school students eat 3 eggs for breakfast every day, and 1 to 2 eggs for lunch and dinner. In some rural areas, new mothers need to eat 10 to 15 pieces a day, and even 300 to 450 pieces during the confinement period. They believe: "Eggs are nutritious and eating more of them will nourish the body." In fact, this is not true. On the contrary, eating too many eggs will bring some adverse effects to the body. First of all, eggs contain a lot of cholesterol. Eating too many eggs will greatly increase the intake of cholesterol, causing high blood cholesterol levels, leading to atherosclerosis and cardiovascular and cerebrovascular diseases. Taking postpartum women as an example, one egg contains about 250 mg of cholesterol, and 10 eggs contain about 2500 mg of cholesterol. This amount is nearly 10 times the normal intake. In addition, the fat rich in eggs is saturated fatty acid. Excessive intake will inevitably cause a sharp rise in serum cholesterol and can promote the occurrence of atherosclerosis and cardiovascular and cerebrovascular diseases.Secondly, eating too many eggs can easily lead to overnutrition and obesity. During the breastfeeding period after childbirth, women generally need about 2800 to 3000 kcal of energy per day, and 90 grams of protein. For example, eating 10 eggs a day is equivalent to consuming 70 grams of protein, 60 grams of fat, and about 820 kcal of calories. In addition, nursing mothers also need to eat a certain amount of staple food, chicken, fish, meat, soy products, vegetables and fruits, etc., so the daily energy intake can reach 3500 to 3800 kcal, and the protein and fat intake can reach 120 to 140 grams. This far exceeds their actual daily nutritional needs, resulting in overnutrition, which will cause excess fat to accumulate in the body and form obesity. Eating too many eggs can also cause an imbalance of nutrients in the body, thus affecting health. Our daily diet is composed of a variety of foods. A reasonable and balanced diet must contain all the nutrients needed by the human body, and all the nutrients must be in appropriate proportions in the diet. This is because various nutrients work by coordinating and restricting each other in the body. In this way, the body can develop normally and stay healthy. Eating too many eggs will also increase the burden on the liver and kidneys. Eating 1 to 2 eggs a day can meet the 8 essential amino acids needed by the human body. Since the body no longer needs it and will no longer absorb and utilize it, it will be converted into fat and accumulated in the body or be wasted as calories. Moreover, the protein decomposition products of the eggs you eat will increase the burden on the liver. The large amount of nitrogen-containing waste produced after metabolism in the body must be excreted through the kidneys, which will directly increase the burden on the kidneys. Therefore, eating too many eggs is not good for the liver and kidneys. So, how many eggs should a person eat every day? From a nutritional point of view, in order to ensure a balanced diet, meet the needs of the body, and avoid overnutrition, in general, it is better for the elderly to eat 1 to 2 eggs a day. For young and middle-aged people who engage in mental work or light physical labor, eating 2 eggs a day is more appropriate; those who engage in heavy physical labor and consume more nutrients can eat 2 to 3 eggs a day; teenagers and children, because they are growing and have fast metabolism, can also eat 2 to 3 eggs a day. Pregnant women, postpartum women, nursing mothers who are weak, and patients recovering from major surgery need more high-quality protein and can eat 3 to 4 eggs a day, but no more. |
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