Our expert says:
whilst nail-biting can just be a habit it can also be indicative of anxiety so you may need to consider if he is exhibiting anxiety or worrying about anything at the present time.
Otherwise seek advice from a pharmacist or your family doctor
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.