Thimerosal Accumulates in Rat Brains, Study Reveals


Catherine Frompovich
Vactruth.com
September 17, 2010

One of the researchers with whom I network emailed an absolutely stunning article about how Thimerosal, a mercury preservative used in vaccines since the 1930s, caused impairment in the brains of neonatal Wistar and Lewis lab rats. Since mercury—and Thimerosal, in particular—is suspect in neurodevelopmental disorders in children, especially autism, this study corroborates what parents believe happened to their children as a result of vaccinations, vaccines, and adverse effects.

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Researchers at the Department of Pharmacology and Physiology of the Nervous System, Institute of Psychiatry and Neurology, Warsaw, Poland, published the results of their study, Neonatal administration of a vaccine preservative, thimerosal, produces lasting impairment of nociception [pain sense] and apparent activation of opioid system [controls pain, reward and addictive behaviors] in rats in Brain Research, Volume 1301, 16 November 2009, Pages 143-151. The authors are Mieszko Olczak, Michalina Duszczyk, Pawel Mierzejewski and Maria Dorota Majewska.

The researchers examined the pharmacokinetics [The process by which a drug is absorbed, distributed, metabolized, and eliminated by the body.] (1) for mercury in the brain, liver and kidneys. Stunning information states Pharmacokinetic analysis revealed that Hg [mercury] from THIM[EROSAL] injections accumulates in the rat brain in significant amounts and remains there longer than 30 days after the injection. [Emphasis added]

According to the findings, Thimerosal injected into suckling and adult rats impairs sensitivity to pain due to activation of the opioid system that controls pain, reward and addictive behaviors. Furthermore, in six-week-old rats, hypoalgesia [decreased sensitivity to pain] was induced, but gone after 14 days.

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The important aspect of this study, I feel, is that the mercury load was calculated and injected into the rats that corresponded to what infants receive with vaccines in many countries, including Poland, and reflected the 2008 recommended vaccine immunization schedules in both the United States and Poland. The mercury load was based upon what infants receive during vaccinations. The vaccines included Hepatitis B, DTP [diphtheria-tetanus-pertussis], Hib [Haemophilus influenza b], and MCV [meningococcal conjugate vaccine].

Finally we have a published study that nails Thimerosal to brain damage in rats. When will the U.S. HHS, CDC, and FDA wake up to real science and stop hiding behind junk science that mercury, a neurotoxin, is not implicated in autism? This rat study seems to parallel what happens to numerous children: Brain damage.

Resource

Brain Research, Volume 1301, November 16, 2009, pp. 143-151


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