Some brain tumors grow slowly and exist for many years without causing symptoms; others develop suddenly and progress rapidly.
Any expanding mass that is in the skull is always serious because it takes up space normally occupied by the brain.
As the brain becomes more compressed, symptoms worsen. Brain tumors can cause as headache of recent origin; it may come and go and is usually worse in the morning. Nausea and vomiting.
Mental and personality changes; speech problems. Possible seizures, progressive weakness, and paralysis. Impaired sense (vision, hearing, taste).
Movement disorders; gait changes. They can occur at any age, but are most prevalent in the childhood and after age 50. possible risk factors include exposure to x-ray, vinyl chloride, and industrial chemicals.
Use cellular phone to an increase risk of brain cancer are unproved.