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Airport body scanners deliver radiation dose 20 times higher than first thought
06-29-2010, 01:03 PM,
#1
Airport body scanners deliver radiation dose 20 times higher than first thought
Quote:A leading scientist is calling for more research into body scanners like those used at Heathrow, Gatwick and Manchester airport after questioning the amount of radiation they deliver to parts of the body.

Dr David Brenner, head of Columbia University's centre for radiological research, thinks officials have miscalculated the dose that the controversial X-ray scanners deliver to the skin - where nearly all the radiation is concentrated.

He believes that the dose delivered to the skin is twenty times higher than previously thought as the official figure is averaged over the whole body - with the most likely risk being skin cancer.

Although he insists that the danger posed to the individual passenger is 'very low', he is urging researchers to carry out more tests on the device to look at the way it affects specific groups who could be more sensitive to radiation.

He says children and passengers with gene mutations - around one in 20 of the population - are more at risk as they are less able to repair X-ray damage to their DNA.

Dr Brenner, who is originally from Liverpool but now works at the New York university, said: 'The individual risks associated with X-ray backscatter scanners are probably extremely small.

'If all 800 million people who use airports every year were screened with X-rays then the very small individual risk multiplied by the large number of screened people might imply a potential public health or societal risk. The population risk has the potential to be significant.'

Following trials, the airport scanners were officially introduced at Manchester Airport in January, at Heathrow Terminal 4 in February and at Gatwick in May this year.

The most likely risk from the airport scanners is a common type of skin cancer called basal cell carcinoma, according to the academic.

The cancer is usually curable and often occurs in the head and neck of people aged between 50 and 70. He points out it would be difficult to hide a weapon on the head or neck so proposes missing out that part of the body from the scanning process.

'If there are increases in cancers as a result of irradiation of children, they would most likely appear some decades in the future. It would be prudent not to scan the head and neck,' he added.

He recently aired his concerns to the Congressional Biomedical Caucus in the US - members of Congress who meet to exchange ideas on medical research.

Dr Brenner urged them to look at his concerns but said it was important to balance any health issues against passengers' safety when flying.

He said: 'There really is no other technology around where we're planning to X-ray such an enormous number of individuals. It's really unprecedented in the radiation world.'

The Civil Aviation Authority, Department for Transport and Health Protection Agency insist that the technology is safe and say their tests show it would take 5,000 trips through the scanner to equal the dose of a single chest X-ray.

They said in the climate of high security, it is essential that security staff use 'all means possible' to minimise risks to airline security.

The CAA said: 'The device has been approved for use within the UK by the Department for Transport and has been subjected to risk assessments from the Health Protection Agency.

'To put the issue in perspective, the radiation received from the scanning process is the equivalent to two minutes radiation received on a Transatlantic flight.

'Recent press publications have been a little alarmist and may have heightened concern in frequent travellers who may worry about their repeated exposure.

'Under current regulations, up to 5,000 scans per person per year can be conducted safely.'

http://www.dailymail.co.uk/health/article-1290527/Airport-body-scanners-deliver-radiation-dose-20-times-higher-thought.html
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06-29-2010, 06:56 PM,
#2
RE: Airport body scanners deliver radiation dose 20 times higher than first thought
now this is a reason to worry bout scanners!!!!
Remember Knowledge is the only thing THEY can't take from you, and Knowledge is Know how, and Know how is Power!!!

Live long and Prosper!!!! Have a plan beyond words, and worry not of why the storm is coming as to how you're going to survive in it!!!!

Deathanyl @gmail!!!!!!
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06-29-2010, 07:10 PM,
#3
RE: Airport body scanners deliver radiation dose 20 times higher than first thought
a lot of ppl were already against them :S
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06-29-2010, 08:03 PM,
#4
RE: Airport body scanners deliver radiation dose 20 times higher than first thought
for paranoids and tracking not health related... but they got the eye scanner tech pretty ironed out they'll let it take over and give the anti scanner/ chip crowed a sibilance of victory since unlike cell phones which only affect some (Johnny Cochran for example) if they r attesting that the scanners can give frequent users cancers and deformities.... yes bigger money for pharma, but not worth bad press, what of the tsa agents or what ever they r called who are beside the machines for @ least 6 hrs a day five days a week? No this kind of "real" evidence against health will either lead to an increase in the tech, or an abandonment of it. Either way eye scanning will work it only needs to catch your eye for like 1/3 of a second, and they will make shades in public indoor places illegal as a bs new law under some bs new reason.... no the tracking will continue just now you won't have to get a chip for it.

enjoy!LOL
Remember Knowledge is the only thing THEY can't take from you, and Knowledge is Know how, and Know how is Power!!!

Live long and Prosper!!!! Have a plan beyond words, and worry not of why the storm is coming as to how you're going to survive in it!!!!

Deathanyl @gmail!!!!!!
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11-09-2010, 06:03 AM, (This post was last modified: 11-23-2010, 06:18 PM by FastTadpole.)
#5
RE: Airport body scanners deliver radiation dose 20 times higher than first thought
The newly modernized scanners in the airports can truly give us skin cancer risks. This is the result of the new study done at different centers. TSA cannot tell us directly the harmful effects of these but if we are just mindful, then we can say that these are dangerous to children and pregnant women.
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