National Institutes of Health
- The primary NIH organization for research on Brain Cancer is the National Cancer Institute
There are two main types of brain cancer. Primary brain cancer starts in the brain. Metastatic brain cancer starts somewhere else in the body and moves to the brain. Brain tumors can be benign, with no cancer cells, or malignant, with cancer cells that grow quickly.
Brain tumors can cause many symptoms. Some of the most common are
No one knows the exact causes of brain tumors. Doctors can seldom explain why one person develops a brain tumor and another does not.
NIH: National Cancer Institute
References and abstracts from MEDLINE/PubMed (National Library of Medicine)