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View Diary: In Iraq, High Rates of Cancer and Birth Defects Linked to Use of Chemical Weapons in War (20 comments)

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  •  say what? (0+ / 0-)

    Are you claiming that the radioactivity in Uranium 238 does not weaken the immune sytem?

    Please clarify.


    ```
    peace

    "There is no flag large enough to cover the shame of killing innocent people." — Howard Zinn

    by peace voter on Wed Oct 24, 2012 at 01:51:57 PM PDT

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    •  I'm not saying that, that's what is in the peer (1+ / 0-)
      Recommended by:
      IreGyre

      reviewed scientific literature.

      DU is for all intents and purposes non-radioactive (as should be obvious as soon as you see that it's half life is 4.5 billion years  . .).

      It is a toxic heavy metal, however, and there are believable reports that it can damage cells via chemical mechanisms.

      •  Uranium 235 is a radioactive alpha emitter (0+ / 0-)

        "DU is for all intents and purposes non-radioactive"

        ~ Roadbed Guy

        Look - something is radioactive or it's not radioactive

        Once ingested or inhaled the alpha radiation emitted by Uranium 238 is powerful enough to cause the DNA in nearby cells to unravel & mutate.

        ```
        peace


        "There is no flag large enough to cover the shame of killing innocent people." — Howard Zinn

        by peace voter on Wed Oct 24, 2012 at 02:11:43 PM PDT

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        •  The carbon in your body is WAY more (0+ / 0-)

          radioactive than any DU that a person is exposed to.

          So, the question to you is - do you consider yourself to be radioactive?  I mean, you are.  Everyone is.  

          But, for all intents and purposes the level is low enough to not have any biological effect - that's what I"m saying for DU.

          Now, from a chemical perspective - ionizing radiation generates reactive oxygen species (ROS) that damage DNA.  In theory DU can do this - but in reality a given amount of DU will generate one million ROS by chemical mechanisms for every ONE (yes, a single one) generated through radioactive decay.  

          Thus, if DU is harming a biological system, it is one million times more likely to be doing so through a chemical and not a radiological mechanism.

      •  So spent fuel rods are completely harmless? (1+ / 0-)
        Recommended by:
        peace voter

        Why all the hoo-ha over them then?

        You may think that. I couldn't possibly comment.-- Francis Urqhart

        by Johnny Q on Wed Oct 24, 2012 at 04:25:26 PM PDT

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