1. Oranges Although oranges are rich in nutrition, they contain lycopene. Eating too much can easily lead to "lycopene dermatosis", abdominal pain and diarrhea, and even bone diseases. Therefore, children should not eat more than four oranges of medium size a day.
2. Spinach
Spinach contains a lot of oxalic acid. When oxalic acid meets calcium and zinc in human body, it will produce calcium oxalate and zinc oxalate, which is not easy to be absorbed and excreted.
Children need a lot of calcium and zinc for their growth and development. If the body lacks calcium and zinc, it will not only lead to bone and tooth dysplasia, but also affect intellectual development.
Step 3: eggs
Although eggs are nutritious food, if eaten too much, it will increase the cholesterol content in the body, easily lead to overnutrition, lead to obesity, increase the burden of gastrointestinal tract, liver and kidney, and cause dysfunction. Therefore, children should not eat more than three eggs a day.
4. strong tea
Strong tea contains a lot of tannic acid. Tannic acid will generate iron tannic acid when it meets iron in human body, which is difficult to be absorbed by human body and easy to cause iron deficiency in human body.
Iron deficiency in children will not only lead to anemia, but also affect intellectual development.
5. Jelly
Jelly is not made of fruit juice and sugar, but of thickener, essence, sour agent, colorant and sweetener. These substances have no nutritional value to human body, but they are toxic to some extent. Eating too much or too much will affect children's growth and mental health.
6.salted fish
All kinds of salted fish contain a lot of dimethyl nitrite, which will be converted into dimethyl nitrosamine with strong carcinogenicity after entering the human body.
Studies have shown that eating salted fish before the age of 10 is 30 times higher than the risk of cancer in adulthood. So children should not eat more salted fish often.
7.bubble gum
The plasticizer in bubble gum is slightly toxic, and its metabolite phenol is also harmful to human body.
Moreover, the way children eat bubble gum is unsanitary and easy to cause gastrointestinal diseases.
8. Saccharin
At present. Children eat sweets and drinks, many of which are added with saccharin.
According to research, a large amount of saccharin can cause diseases of blood, heart, lung and peripheral nerves, and damage organs such as stomach, kidney, bear and bladder.
Therefore, China stipulates that saccharin should not be used in the food of patients and children.
9. beans
Beans contain a factor that can cause goiter and promote the excretion of thyroxine from the body. As a result, the body lacks thyroxine, and the body increases the volume of thyroid gland to meet this need.
Children are more vulnerable on the date of growth and development, so children should not eat more beans often.
10, ginseng
At present, there are many ginseng foods on the market, such as ginseng sugar, ginseng malt extract, ginseng milk powder, ginseng biscuits, ginseng royal jelly and so on.
Ginseng can promote the secretion of sex hormones, and children's participation in meetings leads to precocious puberty, which seriously affects the normal development of the body. 165438+
12, popcorn
Popcorn contains a lot of lead, which will damage the nervous system, digestive system and hematopoietic function after entering the human body.
Children's detoxification function of lead is weak. Eating popcorn often leads to chronic lead poisoning, with symptoms such as loss of appetite, diarrhea, irritability, purple gums, growth and reorganization.
13, instant noodles
Instant noodles contain edible pigments and preservatives harmful to human body. Eating often or eating more can easily lead to malnutrition in children, affecting growth and health.
14, sunflower seeds
Sunflower seeds contain unsaturated fatty acids. Children who eat too much will consume a lot of choline, affect the function of liver cells, and also cause children's xerosis caused by "insufficient body fluid".
15, cola drinks
Cola drinks contain a certain amount of caffeine, which has an exciting effect on the central nervous system and is potentially harmful to the human body.
Because children's tissues and organs are not well developed, their resistance and detoxification function are weak, and the harm will be greater, so children should not drink more cola drinks.
16, animal fat
Children often eat or eat more animal fat, which will not only cause obesity, but also affect the absorption and utilization of calcium. Over time, it will easily lead to calcium deficiency and cause diseases.
17, kebab
Roasted mutton kebabs will produce strong carcinogens such as 20- aniline and 3.4 benzopyrene during smoking. Children often eat or eat these coking foods, and carcinogens can accumulate in the body, making them susceptible to cancer in adulthood.
18, chocolate
Children who eat too much chocolate will make the central nervous system in an abnormal state of excitement, resulting in symptoms such as anxiety, muscle twitching and rapid heartbeat, which will affect their appetite.
19, salt
Children's salt should not exceed 5 grams a day. If there is more salt, it is easy to suffer from diseases such as hypertension, coronary heart disease and gastric cancer in adulthood.
20. Pig liver
Pig liver contains a lot of cholesterol. Children often eat or eat more pig liver, which will increase the cholesterol content in the body and easily induce cardiovascular and cerebrovascular diseases in adulthood.