2, diarrhea, will affect the digestive system, affecting people's metabolism.
3. Preservatives, such as sodium benzoate, nitrate, nitrite and sulfur dioxide. Preservatives are the most controversial among all kinds of foods, skin care products and other additives. Food and skin care products need preservatives for long-term preservation, and people are worried about the use of preservatives.
4. Children, pregnant women, etc. It is a special group in a special period of physical development and should be protected in food intake. It is advised not to give them food containing too many preservatives.
5. Most preservatives used in food production are synthetic, and improper use will have certain side effects; Some preservatives even contain trace toxins, and long-term excessive intake will cause certain damage to human health.