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Wikenigma - an Encyclopedia of Unknowns Wikenigma - an Encyclopedia of the Unknown


Glioblastomas are the second most prevalent form of brain cancer (after Meningiomas). The cancers are malignant and highly aggressive, and are hard to treat effectively (either with drugs, surgery of radiotherapy). It's estimated that more than 20,000 cases worldwide occur each year.

The cause of 95% of glioblastomas are unknown (the other 5% arising from low-grade Astrocytomas).

There are suggestions that glioblastomas might be linked to :

  • chemical exposure (pesticides etc)
  • viral infections (HHV-6 etc)
  • inappropriate diet
  • exposure to electromagnetic fields (or x-rays etc)
  • genetic predsiposition.

Further info . American Brain Tumor Association

Also see : Meningiomasplugin-autotooltip__plain plugin-autotooltip_bigMeningiomas

Meningiomas are a category of primary brain tumour. They are slow growing, and often symptom-free. They form in the meninges - the thin layer of tissues which surround the brain - rather than in the brain itself.

It's estimated that roughly one in a thousand people is affected at some stage in their lives, making meningiomas one of the most common types of brain tumour.

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