Dr. Kennedy: Well, the reason we're still usingmercury is 11 reasons: money, money, money, money, money, money, money, money,money, money, money. It has to do with the United States government buysmercury fillings for welfare, for the military, for the army, for the navy, forthe air force, for the coast guard, for the public health service, for theNorth American Indians. They are up to their neck in buying mercury and puttingit in people's teeth. They're concerned about their economic interests.
The dentists are concerned about being suedbecause mercury fillings are linked to everything from Alzheimer's toParkinson's to Multiple Sclerosis. The minute you admit that this littlemercury leaking plug is going to cause hearing loss, well I want you to buy mea hearing aid. Oh, we don't want that because we can't afford hearing aids.We've just barely got enough money for that filling. Liability issues makeresistance to change. I'm not saying they shouldn't. I'm saying that'sunethical for them not to.
That's what all the countries like Sweden andNorway had to do. They had to bring an ethicist into the discussion, becauseit's not about economics. It's not about whether they're afraid of being sued.It's about the moral imperative. Once you have something that works as well orbetter, you can't use the one that leaks mercury. Morally, ethically. Becauseyou're exposing your staff to mercury levels that are unlawful. You're exposingyourself to levels that will cause harm in your old age and maybe right now.The suicide rate is enormous. Well, what's one of the symptoms of mercuryexposure? That would be depression. Oh, well, we'll take our medications forthat and continue to expose ourselves.
Morally we can't continue to use that materialin the mouths of human beings. The National Institute for CraniofacialResearch, the NIH, funded a horribly unethical series of studies in children.What they did was - I criticize this study as a study designed to fail becausethe only parameter they used for the amount of mercury the child was exposed towas the number of fillings in the child's teeth - they lumped all the kidstogether and said, "See? No problem." Well, wait a minute. We've gota case-controlled study. This kid has one filling. They even had children withmercury fillings in the controls. That's called cheating.
But take all the kids that had one filling andput them here, and they have two fillings put them here, three fillings and putthem here, four fillings and put them here. The kids with no fillings and putthem here. What you found was a nice straight line graph showing harm from thefillings in the form of an abnormal porphyrins. It's called coproporphyrinogen.It's because the mercury breaks an enzyme process in the kidney so that they pumpout an abnormal porphyrin.
That's proof that those mercury fillings wereharming those kids. In addition they showed that when you put new fillings inthe amount of mercury coming out of the kids tripled in just two years. Twofillings, three times all the other exposures combined. And these werePortuguese kids eating fish. Clearly they are a huge source of exposure to thechildren. In addition, they showed that the boys soon lost that ability toexcrete mercury, and the amount of mercury coming out of the boys dropped backdown to the baseline. By the end of the experiment there was no more mercurycoming out of the boys that had a mouth full of fillings, though the littlegirls were still excreting it. Little boys weren't. That means the guys are goingto build up with mercury in their bodies faster. Maybe that kind of explainswhy guys don't live quite as long as girls.
This toxic substance is still used in dentistry across the country? The question is, why? Dr. David Kennedy explains why it's been used for decades and why it's still being used in dental practices.
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