My child 13 years old has always had the habit of biting his nails and eating his hands.

Hello! Generally speaking, it is normal for children to bite their nails, and many people have had this phenomenon. In older children, it may be a psychological emotion, resistance and other reactions. But biting your nails is a bad habit, because your hands are exposed to many bacteria every day, especially under your nails, which will lead to bacterial infection, indigestion, tooth dysplasia, gingivitis and so on.

Another is that children lack certain nutrients, such as iron. Iron deficiency anemia caused by iron deficiency, one symptom can lead to pica, while others are seemingly small bad habits such as biting nails.

First of all, children should be induced to help them get rid of bad habits, communicate with them more and eliminate their resistance. Secondly, you can go to the hospital for a routine blood test to determine whether there is anemia, which is cheap and convenient for symptomatic treatment, and will not delay the child's development.