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2. Radiation-induced cognitive decline - Wikipedia

   en.wikipedia.org/wiki/Radiation-induced...

   For people with brain tumors, radiation can be an effective treatment because chemotherapy is often less effective due to the blood–brain barrier. [ citation needed ] Unfortunately for some patients, as time passes, people who received radiation therapy may begin experiencing deficits in their learning, memory, and spatial information ...

3. Brain tumor - Wikipedia

   en.wikipedia.org/wiki/Brain_tumor

   The cause of most brain tumors is unknown, though up to 4% of brain cancers may be caused by CT scan radiation. [ 2 ] [ 8 ] Uncommon risk factors include exposure to vinyl chloride , Epstein–Barr virus , ionizing radiation , and inherited syndromes such as neurofibromatosis , tuberous sclerosis , and von Hippel-Lindau Disease .

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

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

   As with any type of tumor, brain tumors are an abnormal growth of cells, the number of which will determine, in part, the overall size of the tumor. In the case of benign brain tumors, these cells ...

5. Radiation-induced cancer - Wikipedia

   en.wikipedia.org/wiki/Radiation-induced_cancer

   Radiation hormesis is the conjecture that a low level of ionizing radiation (i.e., near the level of Earth's natural background radiation) helps "immunize" cells against DNA damage from other causes (such as free radicals or larger doses of ionizing radiation), and decreases the risk of cancer. The theory proposes that such low levels activate ...

6. Scientists Determine Once and for all If Cell Phones Cause ...

   www.aol.com/lifestyle/scientists-determine-once...

   A new review of previous research determines if cell phone radiation causes brain cancer. The review concludes that radiation from cell phones is not likely to increase a person’s risk of brain ...

7. Glioblastoma - Wikipedia

   en.wikipedia.org/wiki/Glioblastoma

   The cause of most cases of glioblastoma is not known. [2] 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]