SeniorWomen.com Note: Last week we posted an item about backscatter scanning machines and Global Entry. In March of 2011, we published this article:

http://www.seniorwomen.com/news/index.php/the-health-effects-of-airport-security-scanners

This week we note that the respected  and Pulitzer award-winning investigative organzation, ProPublica, has posted a new article on the subject of the machines and their possible medical drawbacks.

by Michael Grabell

Look for a PBS NewsHour story on X-ray body scanners, reported in conjunction with ProPublica, to air later this month.

On Sept. 23, 1998, a panel of radiation safety experts gathered at a Hilton hotel in Maryland to evaluate a new device that could detect hidden weapons and contraband. The machine, known as the Secure 1000, beamed X-rays at people to see underneath their clothing.

One after another, the experts convened by the Food and Drug Administration raised questions about the machine because it violated a longstanding principle in radiation safety — that humans shouldn’t be X-rayed unless there is a medical benefit.

“I think this is really a slippery slope,” said Jill Lipoti, who was the director of New Jersey’s radiation protection program. The device was already deployed in prisons; what was next, she and others asked — courthouses, schools, airports? “I am concerned … with expanding this type of product for the traveling public,” said another panelist, Stanley Savic, the vice president for safety at a large electronics company. “I think that would take this thing to an entirely different level of public health risk.”

The machine’s inventor, Steven W. Smith, assured the panelists that it was highly unlikely that the device would see widespread use in the near future. At the time, only 20 machines were in operation in the entire country.

“The places I think you are not going to see these in the next five years is lower-security facilities, particularly power plants, embassies, courthouses, airports and governments,” Smith said. “I would be extremely surprised in the next five to 10 years if the Secure 1000 is sold to any of these.”

Today, the United States has begun marching millions of airline passengers through the X-ray body scanners, parting ways with countries in Europe and elsewhere that have concluded that such widespread use of even low-level radiation poses an unacceptable health risk. The government is rolling out the X-ray scanners despite having a safer alternative that the Transportation Security Administration says is also highly effective.

A ProPublica/PBS NewsHour investigation of how this decision was made shows that in post-9/11 America, security issues can trump even long-established medical conventions. The final call to deploy the X-ray machines was made not by the FDA, which regulates drugs and medical devices, but by the TSA, an agency whose primary mission is to prevent terrorist attacks.

Research suggests that anywhere from six to 100 US airline passengers each year could get cancer from the machines. Still, the TSA has repeatedly defined the scanners as “safe,” glossing over the accepted scientific view that even low doses of ionizing radiation — the kind beamed directly at the body by the X-ray scanners — increase the risk of cancer.

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