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Originally posted by TiredofControlFreaks
reply to post by LightSpeedDriver
LightSpeedDriver
I am very very interested in why you didn't post the second paragraph of your Wikileaks reference?
Acute effects
The median lethal dose (LD50) for acute radiation exposure is generally about 4.5 Sv.[36] The committed effective dose equivalent 210Po is 0.51 µSv/Bq if ingested, and 2.5 µSv/Bq if inhaled.[37] Since 210Po has an activity of 166 TBq per gram (4,500 Ci/g)[37] (1 gram produces 166×1012 decays per second), a fatal 4.5 Sv (J/kg) dose can be caused by ingesting 8.8 MBq (238 microcuries, µCi), about 50 nanograms (ng), or inhaling 1.8 MBq (48 µCi), about 10 ng. One gram of 210Po could thus in theory poison 20 million people of whom 10 million would die. The actual toxicity of 210Po is lower than these estimates, because radiation exposure that is spread out over several weeks (the biological half-life of polonium in humans is 30 to 50 days[38]) is somewhat less damaging than an instantaneous dose. It has been estimated that a median lethal dose of 210Po is 0.015 GBq (0.4 mCi), or 0.089 micrograms, still an extremely small amount.[39][40]
NOte the dosages - 2.4 ugSv/Bq if inhaled. That means all at once!
Now let us look at the dosage that smokers are exposed to:
www.ncbi.nlm.nih.gov...
The annual effective doses were calculated on the basis of (210)Po and (210)Pb intake with the cigarette smoke. The mean values of the annual effective dose for smokers (one pack per day) were estimated to be 193 and 251 microSv from (210)Po and (210)Pb, respectively.
That is the dosage PER YEAR!!! And again Polonium 210 has a half-life of 138 days.
Nice try - but its the same trick used over and over again. The fact remains: The poison is in the DOSE. Not the substance. Even water is toxic if you drink enough of it.
I would really like to know if you are deliberately trying to mislead people and instill fear or if you honestly believe that the Polonium 210 in tobacco is at sufficient quantities to cause death?
If the Polonium 210 in tobacco were at sufficient quantities to cause death - then every smoker would develop lung cancer and die. The fact is that a hard-core, heavy smoker still has only a 17 % lifetime chance of developing lung cancer.
Tired of Control Freaks
Originally posted by CoherentlyConfused
reply to post by Opportunia
I asked you for links about E-cigarettes. I'm not arguing smoking is no good for you and while I have my doubts it causes all lung cancer, it simply can't be good for your lungs.
Your link gave me "not found" when I clicked it.
Now, before you get so angry you blow an aneurysm, take a deep breath and breath out...slowly.
Do you have any evidence to show nicotine (not smoking, nicotine itself) causes cancer?
And do you have links to show sugar is added as an ingredient in eliquid?
I am willing to take your links into consideration.
MY link simply showed a test that was done on eliquid, its ingredients and their findings as back up to what I claimed. And you have an issue with that why?
And I'd also like you to point out where I or anyone else said vaping was safe. Nothing is safe. However, it is a whole lot safER than smoking and when I see misinformation being spouted about them that may make someone not try them and keep smoking, I will reply to that.
Quitting cold turkey? Best. Nicotine patch, gum, ecigarette? Better than smoking. Smoking? Not good.
edit on 22-6-2012 by CoherentlyConfused because: (no reason given)edit on 22-6-2012 by CoherentlyConfused because: (no reason given)edit on 22-6-2012 by CoherentlyConfused because: (no reason given)
Once your tool has served it's purpose it's time to set it aside. Keep it around if you need it in the future, but don't let it become your new crutch.
Po-210 is found in small amounts in uranium ore, can be present in very small amounts in cigarette smoke, and can occur in very small amounts in the home via the decay of radon-222 and its daughters. Thus, we all have very small amounts of Po-210 in our bodies, providing support for the view that very low alpha radiation dose rates and doses are likely tolerated without causing diseases. Obviously, our natural defenses evolved to protect us from such mild natural insults.
Originally posted by TiredofControlFreaks
reply to post by Laokin
...
This fear, that has taken hold in people's minds directly contradicts the foundation of toxicology. It is NOT the substance that is poisonous. It is the dose.
In short, just because something can kill you at high doses, does not mean that it is harmful in small doses.
Further, I haven't even begun to discuss the benefits of smoking...
Tired of Control Freaks
Originally posted by TiredofControlFreaks
reply to post by Laokin
Loakin
No, the "safe" dose is NOT calculated according to averages. In actual fact the safe dose is researched using animals. Once it is know what is toxic to the subject, "safe" doses are set at 10, 100, 1000 times lower than the amount that caused harm to the test subject.
You misunderstand the meaning of half-life. The substance in question does not simply disinitigrate in 138 days. Everyday, it is breaking down and being excreted. Half-life simply means that in 138 days, half the amount will have be gone. Then in another 138 days, another half of the half that was left will be gone.
Have you looked at background and dust levels of Plutonium 210? It is ubiquitous to the environment and you are exposed at all times. You don't need to be a smoker. You eat Plutonium 210 in your food, you breathe it in your air, you inhale it in the dust.
www.ncbi.nlm.nih.gov...
Po-210 is found in small amounts in uranium ore, can be present in very small amounts in cigarette smoke, and can occur in very small amounts in the home via the decay of radon-222 and its daughters. Thus, we all have very small amounts of Po-210 in our bodies, providing support for the view that very low alpha radiation dose rates and doses are likely tolerated without causing diseases. Obviously, our natural defenses evolved to protect us from such mild natural insults.
There has evolved a kind of legend in the minds of the population. Almost an old wive's tale. The idea has taken hold in people's mind that trace exposure to something that is lethal in large (and in this case, massive) doses may not kill but will cause microscopic amounts of damage to the body at a cellular level and this ultimately will CAUSE disease leading to death.
This fear, that has taken hold in people's minds directly contradicts the foundation of toxicology. It is NOT the substance that is poisonous. It is the dose.
In short, just because something can kill you at high doses, does not mean that it is harmful in small doses.
Further, I haven't even begun to discuss the benefits of smoking. Of what value is it to be afraid of microscopic doses of Polonium 210 when you may spend the last 20 years of your life, drooling into your diapers in some nursing home.
Alziemers - that is right. Smokers get Alzeimer's at an incident rate that is significantly less than never-smokers.
Same thing with MS and Parkinson's.
www.ncbi.nlm.nih.gov...
Tired of Control Freaks
Previous reviews of the association between smoking and AD have not controlled for study design and author affiliation with the tobacco industry, according to Cataldo. To determine if study authors had connections to the tobacco industry, the UCSF team analyzed 877 previously secret tobacco industry documents.
And to your BENEFITS of smoking, BAHHAHAHhaha.