Slashdot
"A 2011 ProPublica series found that the TSA had glossed over the small cancer risk posed by its X-ray body scanners at airports across the country. While countries in Europe have long prohibited the scanners, the TSA is just now getting around to studying the health effects."
Please continue reading at:
http://yro.slashdot.org/story/12/12/18/1629258/tsa-finally-studying-health-effects-of-body-scanners