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Cellphone study shows one-hour exposure changes brain activity
Key Excerpts from Article on Website of Washington Post
Posted: February 28th, 2011
http://voices.washingtonpost.com/posttech/2011/02/cell_phone...
Scientists at the National Institute of Health on [February 22] released a study that showed 50 minutes of cellphone use could alter the activity of the part of the brain closest to a cellphone antenna. The study was led by Nora D. Volkow, director of the National Institute on Drug Abuse. Her research shows that those people exposed to 50 minutes of cellphone radio frequencies saw an increased brain glucose metabolism in the region closest to the antenna. "The dramatic increase in use of cellular telephones has generated concern about possible negative effects of radiofrequency signals delivered to the brain," JAMA wrote in background material on the study's release. "However, whether acute cellphone exposure affects the human brain is unclear." Public-interest groups say the regulatory agencies haven't updated guidelines on cellphone health in more than one decade. And the rapid adoption of cellphones -- 290 million in the U.S. -- call for greater protections, particularly among children who have thinner skulls and ears than adult cellphone users.
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