Children should eat less fish jerky.

Fish jerky is processed from sea fish and is not only rich in nutrients such as protein, calcium, and phosphorus but also has a delicious taste. According to measurements, the fluoride content in fish jerky is over 2,400 times that of beef, mutton, and pork, and over 4,800 times that of fruits and vegetables. However, the daily physiological requirement for fluoride in the human body is only 1 to 1.5 milligrams. If the daily intake of fluoride from food exceeds 4 to 6 milligrams, it will accumulate in the body. Over time, this can lead to chronic fluorosis. Chronic fluorosis first affects the development of a child's teeth, making them rough and dull, with spots and stripes appearing on the tooth surface, causing them to turn yellow and form fluorosis teeth. Once fluorosis teeth form, they cannot be restored. Therefore, children should eat less fish jerky.