Fried junk food: this kind of food is high in calories, high in oil and oxidizing substances, and it is easy to cause obesity if eaten frequently; It is the most dangerous food leading to hyperlipidemia and coronary heart disease. In the process of frying, a large number of carcinogens are often produced.

Canned junk food: No matter whether it is canned fruit or canned meat, the nutrients in it are destroyed a lot, especially almost all kinds of vitamins.

Pickled junk food: In the process of pickling, a large amount of salt is needed, which will lead to excessive sodium content in this kind of food, increase the burden on the kidneys of people who often eat pickled food and increase the risk of hypertension. In addition, a large number of carcinogenic nitrosamines can be produced during the curing process of food, which leads to an increased risk of malignant tumors such as nasopharyngeal carcinoma.

Processing meat junk food (ham sausage, etc.). ): This kind of food contains a certain amount of nitrite, so it may have the potential risk of cancer. In addition, due to the addition of preservatives, color enhancers and color retention agents, the burden on the human liver is increased.

Extended data:

Junk food refers to food that only provides some calories without other nutrients, or food that provides more calories than human needs and becomes redundant ingredients.

Junk food includes: fried food, pickled food, processed meat food (dried meat, floss, sausage, ham, etc. ), biscuit food (including all processed biscuits), soda-cola drinks, convenience food (mainly instant noodles and puffed food), canned food (including fish and fruit).

Reference: Baidu Encyclopedia-Junk Food