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First, the egg contains large amounts of cholesterol, eating eggs too much will make the large increase in intake of cholesterol, resulting in high blood cholesterol, causing atherosclerosis and cardiovascular and cerebrovascular diseases. To maternal, for example, an egg contains about 250 milligrams cholesterol, 10 milligrams cholesterol egg contains about 2500. This volume is a normal intake of nearly 10 times. In addition, eggs are rich in saturated fatty acids, eating too much, will definitely make sharp increase in serum cholesterol, and can promote atherosclerosis and cardiovascular disease incidence.

Egg is a nutritious food, an egg weighs about 50 grams, 7 grams of protein, 6 grams fat, 82 kcal of heat generated. Egg protein amino acid ratio is very suitable for human physiological needs, and are easily absorbed by the body, more than 98% utilization, high nutritional value. Eggs in calcium, phosphorus, iron and vitamin A content in a high, B vitamins are also very rich, also contains many other kinds of human essential vitamins and trace elements, are children, the elderly, mothers and hepatitis, tuberculosis, anemia patients, surgery patients with good recovery tonic.

Egg is good, but the quantity of food should pay attention to science. According to a recent survey showed that: in some urban workers, some engaged in mental work or light work of young people, in order to increase nutrition, day eat 5 to 6 eggs; others, the students ate three eggs a day breakfast, lunch , eat dinner, 1 to 2. In some rural areas, the mothers eat 10 to 15 a day, month, actually eat 300 yard 450. They said: "The eggs nutritious, eat up the body." In actual fact, eating too much, but will bring about some adverse effects on the body.

First, the egg contains large amounts of cholesterol, eating eggs too much will make the large increase in intake of cholesterol, resulting in high blood cholesterol, causing atherosclerosis and cardiovascular and cerebrovascular diseases. To maternal, for example, an egg contains about 250 milligrams cholesterol, 10 milligrams cholesterol egg contains about 2500. This volume is a normal intake of nearly 10 times. In addition, eggs are rich in saturated fatty acids, eating too much, will definitely make sharp increase in serum cholesterol, and can promote atherosclerosis and cardiovascular disease incidence.

Second, eat more eggs easily lead to excess nutrients, leading to obesity. Breastfeeding postpartum women during the daily heat requirement is generally about 2800 to 3000 kcal, protein requirement of 90 grams, such as eating 10 eggs a day, equivalent to intake of 70 grams of protein, 60 grams of fat, about 820 thousand calories, combined with nursing mothers should eat a certain amount of staple food, chicken, fish, meat, bean products, vegetables and fruits daily energy intake can reach 3500 ~ 3800 kcal, protein and fat intake can 120 ~ 140 grams. This far exceeds the actual day of their nutritional needs, causing excess nutrients, excess fat will accumulate in the body to form fat.

Eat eggs also cause nutrient imbalances in the body, which affect health. Our daily diet is composed of a variety of food, a balanced diet and reasonable to require all contain nutrients the body needs and requirements of various nutrients in the diet should have an appropriate ratio. Because of various nutrients in the body is the co-ordination and mutual constraints play a role. In this way, the body to normal development and maintenance of health.

All times, regardless of what kind of food, despite its high nutritional value and can not contain all the nutrients needed by the body. Long-term consumption of a food will lead to excess of certain nutrients, while other nutrient deficiencies. Eggs are no exception, egg itself can not supply all the nutrients needed by the body, for example, its own non-carbohydrate, vitamin C content is almost zero. Therefore, eating too many eggs, certainly relative to other food intake, reduced to the intake of various nutrients imbalance. Over time, likely to cause nutrient deficiencies or because of other related diseases caused by excess.

Eating too many eggs, will increase the burden on the liver and kidneys. The human body needs 8 essential amino acids, eat 1 to 2 eggs, you can meet the need. As the body was not required, would no longer be absorbed and used, will be converted to fat accumulation in vivo or to be wasted as heat. And eat those eggs into their products to increase protein catabolism burden on the liver, metabolized in the body produced by a large number of nitrogenous waste, it must be excreted through the kidneys, will directly increase the burden on the kidneys, so too eating eggs on liver and kidney were negative.

Then, a few eggs every day to eat only better? From the nutritional point of view, in order to ensure a balanced diet to meet the body needs, they will not nutrition, in general, the elderly eat 1 to 2 better. For the young and middle-aged people engaged in mental work or light work, eat two eggs a day more appropriate; engaged in heavy manual labor, the daily consumption of more nutritious to eat 2 to 3 eggs; youth and children, as long body, metabolism faster every day to eat 2 or 3. Pregnant women, mothers, nursing mothers and the weak are the recovery period after the implementation of major surgery patients, as needs to increase quality protein every day to eat 3 or 4 eggs, but not more.