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Brain tumor

A brain tumor is a growth in the brain that leads to increased pressure inside the skull and the destruction and compression of normal brain tissue, causing loss of function. A brain tumor may cause headaches and seizures, as well as many other nervous system problems.

Treatment may involve radiation, chemotherapy, and/or surgery.

Current as of: May 1, 2026

Author: WebMD Ignite Staff

Clinical Review Board
All WebMD Ignite education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

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Pelvic Changes in Your 40s No One Talks About

Your 40s can bring many changes to your body, and while topics like weight gain, muscle loss, and thinning hair often get attention,

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