3. Headaches Accompanied by Facial Numbness and Facial Asymmetry
In this case, you should be alert to nerve dysfunction caused by brain tumors, cerebral hemorrhage, and other diseases.
4. Headaches Accompanied by Visual Impairment
If you experience temporary shadows during a headache, beware of insufficient blood supply from the vertebral-basilar artery; if the headache is continuous and accompanied by double vision, beware of brain tumors; if the headache is accompanied by partial blindness and dark spots in the field of vision, it may be migraine.
