Most of the headaches and vomiting are caused by stressful work or excessive study. Some patients may also have headache, nausea and vomiting if they have excessive mental stress and lack of sleep; they may also have headache, nausea and vomiting if their blood pressure is elevated; they may also have headache and vomiting if they look down at their cell phones or play on the computer for a long time; they may also have glaucoma or frontal sinusitis. Patients with glaucoma usually have increased eye pressure and eye pain at the same time. Patients with frontal sinusitis usually have a headache that is worse in the morning and lighter in the afternoon or no headache at all, which can be clearly diagnosed by CT examination of the paranasal sinuses. It can also occur if the patient has a history of cervical spine disease, mainly due to contraction and spasm of the neck and shoulder muscles. It can also be seen in primary headache disorders, such as tension headache. The majority of patients with this disease occur in young adults between the ages of 20 and 30 years old and mainly present with distension, soreness and dull pain in the top of the head and frontotemporal region. Patients generally have persistent symptoms that can last for days, weeks or months and are mainly treated with symptomatic pain relief.