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April 14, 2011 06:53 pm PDT

Why People Think Cell Phones Cause Cancer

Images: Shutterstock (1, 2) Siddhartha Mukherjee deftly tells you everything you need to know about the current state of knowledge of the risks to human health from use of cellular phones. Mukherjee, a doctor and professor of medicine at Columbia, does so in a few thousand words in the New York Times without dismissing concerns, and while explaining why this issue is so fraught with interpretation bias and confusion. Mukherjee's key points are well understood in epidemiological circles, and typically misstated in the mainstream press. They are: • Rates of cancer types expected to be associated with long-term mobile phone use have declined in America during the rise of cell calling. • The low incidence of such expected cancers in the general population makes it nearly impossible to conduct prospective longitudinal studies: find a large cohort of people with no disease and follow them for 5, 10, or 20 years to see in which groups normal and abnormal rates occur. • Retrospective studies that ask people to remember past usage of cell phones are deeply flawed due to recall bias. • Cellular tests examining DNA after exposure to phone emissions were found in a meta-review of papers and research to have no provable link. (Mukherjee also explains that the recently reported "cell phones make your brain light up" study showed unexplained brain activity when a silent cell phone was active in areas adjacent to the phone, which was near one or the other of a subject's ears. However, the brain activity wasn't harmful--it was similar to activity from other routine activities--just inexplicable. And the study only involved under 50 people.) I've been reading cell-phone and RF exposure studies for a decade, starting at a point where I was convinced that the industry must have known of a link and was trying to hide it. Who trusts multi-billion-dollar corporations with everything to lose, where executives might even be sent to prison as a result? Of course, they might hide evidence or fund fake studies....


Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/MnXwMUrzLbw/why-people-think-cel.html

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