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  2. What causes brain tumors? Here's why they're not that ... - AOL

    www.aol.com/causes-brain-tumors-heres-why...

    Many of the factors that contribute to a tumor forming in any other part of the body can contribute to the formation of a brain tumor. ... brain tumors are far more common in elderly adults than ...

  3. Glioblastoma - Wikipedia

    en.wikipedia.org/wiki/Glioblastoma

    Uncommon risk factors include genetic disorders, such as neurofibromatosis and Li–Fraumeni syndrome, and previous radiation therapy. [2] [3] Glioblastomas represent 15% of all brain tumors. [1] They are thought to arise from astrocytes. [9] The diagnosis typically is made by a combination of a CT scan, MRI scan, and tissue biopsy. [1]

  4. Brain tumor - Wikipedia

    en.wikipedia.org/wiki/Brain_tumor

    Deaths as a result of brain cancer were 5.3 per 100 000 for males, and 3.6 per 100 000 for females, making brain cancer the 10th leading cause of cancer death in the United States. Overall lifetime risk of developing brain cancer is approximated at 0.6 percent for men and women. [97]

  5. Hemangioblastoma - Wikipedia

    en.wikipedia.org/wiki/Hemangioblastoma

    Hemangioblastomas usually occur in adults, yet tumors may appear in VHL syndrome at much younger ages. Men and women are approximately at the same risk. Although they can occur in any section of the central nervous system, they usually occur in either side of the cerebellum, the brain stem or the spinal cord. [2] [7]

  6. Aging brain - Wikipedia

    en.wikipedia.org/wiki/Aging_brain

    The brain is very complex, and is composed of many different areas and types of tissue, or matter. The different functions of different tissues in the brain may be more or less susceptible to age-induced changes. [6] The brain matter can be broadly classified as either grey matter, or white matter.

  7. Central nervous system tumor - Wikipedia

    en.wikipedia.org/wiki/Central_nervous_system_tumor

    The causes of CNS tumors are poorly understood. A few risk factors are known, including radiation exposure, genetic disorder, a family history of CNS tumors, immunodeficiency, stress and a history of previous cancers. As with all cancers, the risk of developing a CNS tumor increases with age. [10]

  8. Losing muscle may increase risk of developing dementia - AOL

    www.aol.com/losing-muscle-may-increase-risk...

    “We found that older adults with smaller skeletal muscles are about 60% more likely to develop dementia when adjusted for other known risk factors,” explains co-senior author Prof. Marilyn ...

  9. Glioma - Wikipedia

    en.wikipedia.org/wiki/Glioma

    A glioma is a type of primary tumor that starts in the glial cells of the brain or spinal cord.They are cancerous but some are extremely slow to develop. [2] [3] Gliomas comprise about 30 percent of all brain tumors and central nervous system tumours, and 80 percent of all malignant brain tumours.

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