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"I am very interested Nike Running Shoes White For Men in performing a National Council on Radiation Protection and Measurements study on the use of millimeter wave security screening systems," said Thomas S. Tenforde, council president.
"A pregnant Nike Trainers Suede
FRIDAY, Jan. airports, leaving some travelers wondering about the health effects of these devices.
The extent of penetration from backscatter systems is pretty shallow, explained another expert, David A. Schauer, executive director of the National Council on Radiation Protection and Measurements. "With backscatter systems, the X rays do not penetrate to depths much beyond the surface of the individual, so they are useful for imaging objects hidden under clothing, but are not useful for detecting objects hidden in body cavities."
woman will receive much more radiation from cosmic rays she is exposed to while flying than from passing through a scanner in the airport," he said.
Airport Full Body Scanners Pose No Health Threat
For moms to be, no evidence supports an increased risk of miscarriage or fetal abnormalities from these scanners, Einstein added.
has nothing to worry about in terms of the radiation from airline scanning," he added.
By comparison, the amount of radiation from a backscatter scanner is equivalent to about 10 minutes of natural background radiation in the United States, Einstein said. "I believe that the general public Nike Women Shoes Casual
The health effects of the more common millimeter wave scanners are largely unknown, and at least one expert believes a safety study is warranted.
adverse health effects and don't expose passengers to any X rays, but they haven't been widely studied. Backscatter scanners use extremely low levels of X rays.
Richard Morin, a medical physicist at the Mayo Clinic, said the real issue for passengers might be privacy, not safety.
"I think it would be helpful to convene an expert panel to prepare a concise summary of the health and safety issues associated with the use of this type of security screening system," he said.
"Another way to look at this is that if you were scanned with a backscatter scanner every day of your life, you would still only receive a tenth of the dose of a typical CT scan," he said.
"A passenger would need to be scanned using a backscatter scanner, from both the front and the back, about 200,000 times to receive the amount of radiation equal to one typical CT scan," said Dr. Andrew J. Einstein, director of cardiac CT research at Columbia University Medical Center in New York City.
Millimeter wave scanners, which use radio waves, have no proven Nike Men Trainers
Will this effort to detect smuggled explosives and weapons expose passengers to excess levels of radiation? Experts say no.
"From a radiation standpoint there has been no evidence that there is really any untoward effect from the use of this device [backscatter scanner], so I would not be concerned about it from a radiation dose standpoint the issues of personal privacy are a different thing," he said.
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