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About Brain Tumors Adult Brain Tumors Treatment (PDQ®) Expert-
reviewed information summary about the treatment of adult brain
tumors. Am I At Risk for a Brain Tumor? Doctors do not know
exactly what causes a brain tumor, although certain factors
appear to raise your risk: exposure to radiation or pesticides,
an impaired immune system, and a family history of brain tumors.
Anatomy of the Brain The brain is an important organ that
controls thought, memory, emotion, touch, motor skills, vision,
respiration, temperature, hunger, and every process that
regulates your body. A brain tumor is an abnormal growth of
tissue in the brain. The tumor can either originate in the brain
itself or come from another part of the body and travel to the
brain. A glioma is a type of brain tumor that originates from
glial cells, which help support the function of the other main
brain cell type—the neuron. I've J