If you are spending a good deal of your day and night fretting about brain cancer and mobile phones, you can rest easy knowing that current thinking (read: by current, we mean for the next 15 minutes when the next study comes out) leans toward cell phones not being associated with glioma, the most common type of brain tumor. The International Journal of Cancer reports that in a study of 1,521 glioma patients and 3,301 controls, 92 percent of glioma patients and 94 percent of controls reported using mobile phones. There is, however, some evidence pointing to increased risk of glioma in people who use cell phones on the same side of their head, though the results were of "borderline statistical significance." So, what can we take from all this? A new study is likely being written as you read this that will contradict these findings, switch up that handset once in a while -- you know, left to right and such, make a game of it -- and if you are really worried, check out a wired headset.

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