Eating once in a while won't gain weight, but eating fast food for a long time is not good. First of all, fast food is mostly meat with high sugar and fat, but it has low fiber content and is often fried. Vitamin deficiency is common when this kind of food is eaten for a long time, and because it is eaten quickly, various gastritis will occur, leading to obesity, hypertension and hyperlipidemia. Therefore, moderate consumption has no effect, but long-term consumption, or even replacing traditional dinner, is not very good.

The harm of eating McDonald's food;

1, McDonald's is high in calories, and it is easy to get fat if you eat it often.

2. The high-content compounds in fried food, McDonald's and KFC fast food have been proved to be carcinogenic.

3. Hamburgers, French fries, fried chicken, pizza, etc. In foreign fast food, because of the high fat content, it will not only increase the weight, but also cause permanent damage to the developing brain of teenagers. Children often eat cola, soda, candy, French fries, potato chips, hamburgers and other foods, which are easy to cause nutritional deficiency and grow up.

4. Trans fatty acids (trans fats), that is, margarine (margarine), are artificial vegetable oils produced by microorganisms and hydrogenation technology in the process of manufacturing vegetable oils in the food industry.

Trans fatty acids can increase the content of human cholesterol, especially the content of low density lipoprotein cholesterol, which is considered to be one of the causes of cholesterol problems and arterial obstruction. The medical community has also confirmed that excessive intake of trans fatty acids will increase people's risk of coronary heart disease.