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[Various] Japan Nuclear Emergency - Continuous Coverage of Damage and Radiation Risks - Page 68  

post #671 of 2836
Thread Starter 
Quote:
Originally Posted by Zen00 View Post
IF, even if there were a giant release of radiation with enough power to reach the US with deadly force were to come to pass, no little pill will save your life. Its just people trying to steal your money by preying on fear.
Our bodies need iodine, though, especially our thyroid glands. Our bodies can absorb iodine into our bloodstream from both our digestive tracts and our lungs. Unfortunately, though, our bodies can't tell the difference between the "safe" iodine-127 and the "dangerous" iodine-131; it sees them all as "iodine" and absorbs them all.

So, what happens is that this radioactive iodine is concentrated in the thyroid, where it suddenly decays to produce high-energy gamma rays that can cause DNA mutations . . . which later in life can lead to thyroid cancer. They can also lead to hyperthyroidism and other problems.

The one saving grace, as it were, though, is that since iodine-131 decays so quickly, it doesn't stay in the body all that long. Plus, the thyroid gland is relatively small, and can only hold so much iodine at any given moment (on the order of 10 milligrams). So, if you can keep the iodine-131 from accumulating in the thyroid over the exposure period, which is normally just a few days, you can minimize the risk.

So, that's where the potassium iodide tablets come in. They contain about 100 milligrams of safe iodine-127, which effectively "floods" the body with safe iodine, and minimizes the likelihood that the dangerous iodine-131 will be taken up by the thyroid before it can be excreted by the body. The risk of getting cancer from exposure to iodine-131 is not even close to 100%, but, obviously, the lower the better.

Obviously though these pills are intended to be used by people close to the site of the disaster, not half a world away. Also if the disaster has emitted an extreme amount of radiation no pill will keep you alive because the radiation will affect too many of your other bodily systems and organs.
Edited by Lampen - 3/13/11 at 8:46am
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post #672 of 2836
Quote:
Originally Posted by Zen00 View Post
IF, even if there were a giant release of radiation with enough power to reach the US with deadly force were to come to pass, no little pill will save your life. Its just people trying to steal your money by preying on fear.
If you are in an area that is expected to be exposed to iodine-131, making sure you don't metabolize it by saturating your thyroid with potassium iodide could very well protect you from thyroid cancer at some later date, and potentially save your life.

That said, no one in the US has any reason to be stocking up on potassium iodide because of what's going on in Japan.
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post #673 of 2836
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Breaking News - OP Updated:

A former nuclear power plant designer has said Japan is facing an extremely grave crisis and called on the government to release more information, which he said was being suppressed. Masashi Goto told a news conference in Tokyo that one of the reactors at the Fukushima-Daiichi plant was "highly unstable", and that if there was a meltdown the "consequences would be tremendous". He said such an event might be very likely indeed. So far, the government has said a meltdown would not lead to a sizeable leak of radioactive materials.

Mr Goto said the reactors at the Fukushima-Daiichi nuclear plant were suffering pressure build-ups way beyond that for which they were designed. There was a severe risk of an explosion, with radioactive material being strewn over a very wide area - beyond the 20km evacuation zone set up by the authorities - he added. Mr Goto calculated that because Reactor No 3 at Fukushima-Daiichi - where pressure is rising and there is a risk of an explosion - used a type of fuel known as Mox, a mixture of plutonium oxide and uranium oxide, the radioactive fallout from any meltdown might be twice as bad.
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post #674 of 2836
Quote:
Originally Posted by Blameless View Post
If you are in an area that is expected to be exposed to iodine-131, making sure you don't metabolize it by saturating your thyroid with potassium iodide could very well protect you from thyroid cancer at some later date, and potentially save your life.

That said, no one in the US has any reason to be stocking up on potassium iodide because of what's going on in Japan.
Ah, I thought the pills he was talking about were the "Rad Away" types, that claim to make you immune to radiation.
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post #675 of 2836
this is ridiculous
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post #676 of 2836
12:04am Japanese safety officials say the cooling system at the quake-damaged Onagawa nuclear plant has not been damaged, and the rise in reported radiation levels is due to a radiation leak at another plant nearby.

Seems the other one is leaking badly.

12:14am More on the situation at the Onagawa nuclear facility. The "lowest level of a state of emergency" was declared "as a consequence of radioactivity readings exceeding allowed levels in the area surrounding the plant", said the International Atomic Energy Agency. But, according to Japanese authorities, the three reactor units at the Onagawa nuclear power plant "are under control". The IAEA, the UN's nuclear watchdog, said that venting of the damaged Onagawa reactor unit had started at 9:20am in Japan "through a controlled release of vapour." The operation was intended to lower pressure inside the reactor containment. Following the failure of the high pressure injection system and other attempts of cooling the plant, the authorities had first injected water and then sea water into the unit. The authorities have informed the IAEA that accumulation of hydrogen is possible ... The IAEA is continuing to liaise with the Japanese authorities and is monitoring the situation as it evolves.
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post #677 of 2836
Thread Starter 
Quote:
Originally Posted by Zen00 View Post
Ah, I thought the pills he was talking about were the "Rad Away" types, that claim to make you immune to radiation.
Oh God.... Fallout Series does not equal reality. You do know that right? There's no magical cure that can cleanse your body of radiation...
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post #678 of 2836
http://theenergycollective.com/barry...te-explanation

Quote:
I am writing this text (Mar 12) to give you some peace of mind regarding some of the troubles in Japan, that is the safety of Japan’s nuclear reactors. Up front, the situation is serious, but under control. And this text is long! But you will know more about nuclear power plants after reading it than all journalists on this planet put together.

There was and will *not* be any significant release of radioactivity.
Quote:
The big main difference up front: Those radioactive materials have a very short half-life, that means that they decay very fast and split into non-radioactive materials. By fast I mean seconds. So if these radioactive materials are released into the environment, yes, radioactivity was released, but no, it is not dangerous, at all. Why? By the time you spelled “R-A-D-I-O-N-U-C-L-I-D-E”, they will be harmless, because they will have split up into non radioactive elements.
Ect. ect.
News organizations are loving the ratings.

Main site: http://theenergycollective.com/
post #679 of 2836
they've been saying the pressure has been rising dangerously for awhile now and its still holding. The stict building codes are saving peoples lives in japan
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post #680 of 2836
hang on japan
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