In the process of making rice noodles, vendors add alum and alum aluminum potassium sulfate dodecahydrate, which will release formaldehyde at high temperature. Formaldehyde is a highly toxic chemical, which is extremely harmful to human lungs, liver and kidney. It is a strong carcinogen, and it is forbidden to be used in food processing by the state.

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There are also some snacks that are harmful to your health if you eat too much:

1, mala Tang is one of people's favorite categories. Most people who eat mala Tang have a heavy taste, and they like this kind of spicy food. It can also be said that it is not spicy or unpalatable. But we don't know that some poppies are added to mala Tang, which is harmful to people. We know the degree of harm this kind of thing does to the body, which can also be said to be the secret hidden in mala Tang.

2. On the roadside, you will often see people selling hand-grabbed cakes, which is also the favorite of office workers. This kind of food looks very nutritious, with eggs and vegetables, but you should know that it is also fried. After investigation, it is found that people who often eat cakes with their hands are prone to kidney failure.

3. Stinky tofu is also a favorite of many people. It's good to eat under normal production mode, but stinky tofu is mostly made of industrial raw materials. Eating too much is harmful to your health.

References:

People's Daily Online-The boss of Kunming black-hearted vendor who added sodium metabisulfite to rice flour was suspected of manufacturing and selling toxic products.