Causes
The exact causes of gliomas are not known. Hereditary genetic disorders such as neurofibromatoses (type 1 and type 2) and tuberous sclerosis complex are known to predispose to their development.
Gliomas have been correlated to the electromagnetic radiation from cell phones, and a link between the cancer and cell phone usage is considered plausible, though there is no conclusive evidence. Most glioblastomas are infected with cytomegalovirus, however the significance of this is not known.
Read more about this topic: Glioma