Re: Damage stays from low-dose X-rays

["High Plains Drifter" <magna1@jps.net>]

Well, well, didn't someone on this list just a while back infer - that a

leading radiation critic would have us believe that a dental x-ray can cause

cancer to your foot........



Dean Chaney

Fairfield, CA





----- Original Message -----

From: "Jim Hoerner" <jim_hoerner@HOTMAIL.COM>

To: <Know_Nukes@yahoogroups.com>

Cc: <downwinders@yahoogroups.com>; <radsafe@list.vanderbilt.edu>

Sent: Tuesday, April 01, 2003 4:11 PM

Subject: Damage stays from low-dose X-rays





> Well, it is April 1st, but I am not making this up...

>

> Study: Damage stays from low-dose X-rays

>

> Tuesday, April 1, 2003 Posted: 10:49 AM EST (1549 GMT)

>

> WASHINGTON (Reuters) -- Low doses of X-rays such as those patients receive

> in the dentist's chair may do more long-lasting damage than higher doses,

> German scientists reported on Monday in a study that turns common wisdom

on

> its head.

>

> Their findings, based on experiment with cell cultures, will have to be

> duplicated by other labs and then repeated in living animals before

doctors

> can offer guidance on the effects of low-dose X-rays on humans.

>

> The team, led by Markus Lobrich at the Universitat des Saarlandes, said

its

> reasearch suggests that doses of X-rays generally considered harmless may

in

> fact do long-lasting damage.

>

> But they said they had developed a test that would help doctors look for

> genetic damage in people exposed to low doses of X-rays, such as cancer

> patients undergoing radiotherapy, patients getting X-rays and

professionals

> working with X-ray equipment.

>

> Writing in the Proceedings of the National Academy of Sciences, Lobrich's

> team said they exposed human cell cultures to varying X-ray doses in the

> laboratory.

>

> To their surprise, they found that damage from low radiation levels

lingered

> days to weeks longer than damage caused by more powerful levels.

>

> Ionizing radiation like the kind produced by X-rays and some nuclear

> breakdown products can cause leukemia and other cancers. The radiation can

> cause breaks in DNA that go across both strands of its double helix

> structure.

>

> Scientists had assumed that the body moves to repair these breaks at the

> same rate, no matter what the dose of radiation.

>

> But Lobrich's team found this may not be true. It could be, they propose,

> that the body simply does not recognize lower levels of damage and does

not

> move to repair it.

>

> When these damaged cells divide and multiply, the unrepaired damage

> multiplies along with them, they suggested.

>

> Copyright 2003 Reuters. All rights reserved. This material may not be

> published, broadcast, rewritten, or redistributed.

>

> http://www.cnn.com/2003/HEALTH/04/01/health.xrays.reut/index.html

>

> --

> Calling All Saddam Look-Alikes!

> Saddam's doctor called a meeting of all the Saddam look-alikes.

> "Men, I've got some good news and I've got some bad news.

> The good news is Saddam is still alive.

> The bad news is he lost an arm."

>

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