Consider The Evidence: Med/Peds Journal Roundup

April 17, 2006

Call me on my (benign) Cell

Filed under: BMJ, cancer, Uncategorized — medblog @ 12:34 pm

BMJ 4/15 – Hepworth et al. weigh in on the cell phone / brain tumor controversy with a case- control study. Some (poorly interpreted) studies have shown some correlation, so I'm sure this won't end the controversy. Frankly, I'm amazed that they found enough non-cell phone users to do the study. The study compared about a thousand glioma patients with seventeen hundred controls. The cases were matched by age, sex, and geography. All patients were interviewed about the frequency and duration of cell phone use. They conclude "There is generally a lack of convincing and consistent evidence of any effect of exposure to radiofrequency field on risk of cancer…" The group also commented on the fact that their study also found a increased risk in relation to side of use despite an unchanged overall risk – "this finding is probably explained by recall bias, with patients with glioma systematically over-reporting use on the same side as their tumour and consequently under-reporting use on the opposite side." Ambidexterity finally has a downside…

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