Patient's question:
Sure, I can help with that. However, you haven't provided any content to translate. Please provide the text you want to be translated into English.Doctor's answer:
Nail-biting is a common bad habit among children, affecting both boys and girls. It is most prevalent in children aged 3 to 6 and can persist into adolescence. There are three main reasons for nail-biting:1. It is related to the deficiency of trace elements;
2. It is associated with family discord, emotional conflicts, and excessive mental stress;
3. Improper parenting can make this behavior become a habit.