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Tero Toivanen

Autism Vaccines - Mercury and Autism Vaccines - 1 views

autism.about.com/...mmrautism.htm

autism vaccines mercury thimerosal

shared by Tero Toivanen on 22 Nov 09 - Cached
  • The type of mercury used in thimerosal is generally cleared from the body within six weeks, which in theory would render it harmless. But according to those researchers who believe that the preservative causes autism, babies born during that 20-year window were injected with many times the "safe" level as determined by the FDA -- and some, they feel, were genetically incapable of clearing the doses of mercury from their bodies. Mercury is, in fact, a neurotoxin, and the theory is that the recent leap in autism diagnoses can be directly tied to thimerosal.
  • In 2004, the Institute of Medicine undertook a comprehensive review of all the published literature on thimerosal and autism and concluded that the available evidence demonstrate that there was no link. The CDC launched a series of studies that examined the relationship between the incidence of autism and the amount of mercury a child received in the first 6 months of life and also found no relationship. Although all published credible studies have found no link between thimerosal and autism, some continue to be unconvinced.
  • At present, the thimerosal controversy continues, even though the removal of thimerosal from vaccines has not resulted in lower rates of autism diagnoses.
  • Tero Toivanen on 22 Nov 09
     
    At present, the thimerosal controversy continues, even though the removal of thimerosal from vaccines has not resulted in lower rates of autism diagnoses. Parents who continue to be concerned should be aware that thimerosal has now been removed from most vaccines -- and thimerosal-free vaccines are available across the board.
Tero Toivanen

Another study finds no MMR-autism link | Reuters - 1 views

www.reuters.com/...idUSTRE60330220100104

autism vaccines MMR vaccine risk

shared by Tero Toivanen on 04 Jan 10 - Cached
  • the study found, children who had received the MMR vaccine actually had a lower risk of autism than their unvaccinated peers. Nor was there any evidence of an increased autism risk with the measles-only vaccine.
  • Tero Toivanen on 04 Jan 10
     
    The study found, that children who had received the MMR vaccine actually had a lower risk of autism than their unvaccinated peers. Nor was there any evidence of an increased autism risk with the measles-only vaccine.
Tero Toivanen

Harvey Karp: Cracking the Autism Riddle: Toxic Chemicals, A Serious Suspect in the Autism Outbreak - 0 views

www.huffingtonpost.com/...the-autism-riddl_b_221202.html

autism toxic chemicals research endocrine disrupting chemicals EDC

shared by Tero Toivanen on 03 Jul 09 - Cached
  • One group of substances of particular concern is a ubiquitous family of hormone twisting compounds, known as endocrine disrupting chemicals (EDCs).
  • Our exposure to EDCs is no mere theoretical concern. In 2000, a Centers for Disease Control (CDC) study found detectable phthalates in 99.9% of adults including women of childbearing age.
  • there is evidence that even minuscule amounts of these chemicals -- levels commonly present in a woman's body -- may disturb fetal brain development during highly sensitive periods of neural development known as windows of vulnerability.
  • ...5 more annotations...
  • Our increasing exposure to EDCs lends support to a new hypothesis about the cause of autism, called the "extreme male theory." This theory, proposed by Dr. Simon Baron-Cohen and colleagues, speculates that autism is caused by something changing a fetus' hormonal balance that then leads to over-masculinization of the developing brain. Could that "something" be the slurry of hormone-altering chemicals we're exposed to every day? Are EDCs the reason autism-type disorders are 4-9 times more common in boys? (Vaccine side effects never show such lopsided impact on boys versus girls...a glaring fact that is totally ignored by those promoting the vaccine theory of autism.)
  • Here is where the very interesting link to EDCs comes into play: EDCs often act as weak estrogens and estrogen feminizines the body, but in a fetus' developing brain estrogen actually has the opposite effect...it causes masculinization.
  • The NCS will establish over one hundred study centers across the US to test the blood of 100,000 newborns for scores of synthetic chemicals, including many EDCs. (Workers have already begun going door-to-door enrolling pregnant moms into the program.) For the next 21 years, scientists will carefully follow the children's health, comparing the body burden of chemicals at birth to diseases developed later in life.
  • Within 3-4 years, we expect to have enough data accumulated to start detecting what chemicals might be linked to autism.
  • Beside the NCS, I support other new studies to look at: 1) the autism risk in vaccinated vs. unvaccinated kids; 2) the metabolism of vaccine ingredients (like aluminum, added to make shots work better), 3) more accurate determinations of the true incidence of autism.
  • Tero Toivanen on 03 Jul 09
     
    The presence of EDCs in women of child-bearing age is especially worrisome. That is because there is evidence that even minuscule amounts of these chemicals -- levels commonly present in a woman's body -- may disturb fetal brain development during highly sensitive periods of neural development known as windows of vulnerability.
Tero Toivanen

Autism and early oxygen deprivation 2 | On the Brain by Dr. Mike Merzenich,Ph.D. - 0 views

merzenich.positscience.com/?p=248

autism oxygen deprivation placenta Amish Somalia umbilical cord

shared by Tero Toivanen on 25 Jun 09 - Cached
  • Fraternal twins typically have different placentas, whereas identical twins share a placenta but have different cords. The blood supply, and pre-clamping susceptibility to anoxia, would surely be different.
  • As for the idea that one could statistically detect whether cord clamping is the problem, we can! Amish people do not clamp the cord until placental delivery, and they have no autism rate. The same is true in Somalia, but Somalian immigrants to westernized medical countries have high rates. Try to systematically find out autism rates and immediate cord clamping rates, on a country by country, or region by region basis. It is a task someone should get on immediately, but it will take a lot of effort.
  • An interesting discussion of the “Amish anomaly” re autism incidence has been provided by Dan Olmsted, who went to Amish Country to find the 150 or so individuals there who could be expected to be severely autistic. They aren’t there. He seems pre-disposed to believe that the difference lies with their non-vaccination. Many studies now show that this is unlikely. As David Blake points out, there is another difference in this population: In Amish birthing, by tradition, the cord is not clamped prior to placenta delivery.
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  • The picture with autism in Somali children is a little murkier. It turns out that the incidence of autism is very high in children of Somali origin who were born in the US (several times higher than normal), while it appears to be very low in Somali children born in their native country. Again, vaccination has been identified as the likely cause by Somali parents and by many observers — but again, clamping follows placental delivery in Somalia, while the cord has been clamped without delay as a general practice in Minnesota, where a high incidence of autism in these children of Somali immigrants was first discovered.
  • Tero Toivanen on 25 Jun 09
     
    Comment about the hypothesis that early umbilical cord clamping might contribute to the risk of origin of autism.
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