== Symptoms ==
See also [[Glioblastoma]].<br>
The only firmly established environmental risk factor, ionizing radiation, and genetic predisposition in identified syndromes account for only a fraction of incident cases. Possible causative factors which require further investigation include allergies, non-ionizing radiation, physical and acoustic trauma, dietary nitrosamines and certain infections.
some of the cancers linked to aspartame include: brain, liver, lung, kidney, and lymphoreticular cancer.