The researchers argue that the constant periodic headaches may be the cause of malignant brain tumors. Doctors recommend immediately contact the medical institutions.
Scientists extensive analysis of statistical data that reflect the many cases of oncological diseases of the brain was performed.
The study revealed that before the diagnosis and detection of cancer, many patients complained of headache.
Doctors noted that long-term pain occurs to a greater extent from high blood pressure which is associated with formation of the parent tumor. In most cases, it is unknown to the pain that the patient has not been observed before. And doctors say mostly blunt pain.
Scientists note that the pain may be aggravated by an increase in neoplasms. If a tumor is present, pain in the majority of cases will be more intense in the morning or at night during sleep.