Comparing 1,433 meningioma patients with 1,350 similar controls, researchers found people who had annual dental x-rays were twice as likely to be diagnosed with the usually non-malignant tumor. Elizabeth Claus says moderating exposure to the imaging may benefit some patients.
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Brain Tumor
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Lifestyle
Caution: This Common Device Can Double Your Risk of Getting a Brain Tumor
Dr. Martin Blank of Columbia University, speaking at a November 2010 Commonwealth Club program, explains how electromagnetic fields from cell phones and other wireless devices act on cells, and why DNA is especially vulnerable compared with other tissues.
Environment
Insecticide Exposure May Increase Childhood Brain Tumor Risk
A study of 201 children in California and Washington with brain, cranial nerve or meningeal tumours and 285 controls adds evidence that home insecticide exposure paired with particular variants of the PON1 metabolism gene may raise the risk of childhood brain tumours.
Environment
Approaching Epidemic: Brain Damage from Mobile Phone Radiation
International EMF activists published a report listing eleven design flaws in the Telecom-funded Interphone study, including counting portable phone users as unexposed and excluding many tumor types, people who had died or were too ill, and children. They argue it understates brain tumor risk.
Drug
Brain tumors: New gene clues
Two Northwestern studies in JAMA report genetic clues to brain tumours: one identified 31 genes involved in tumour proliferation, and another found patients with only one copy of the tumour-fighting gene ANXA7 may be at a disadvantage. The blood-brain barrier still blocks chemotherapy.
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