Methyl mercury (MeHg) is the most widespread source of mercury exposure, and occurs most commonly through the diet, through fish consumption (Wisnjevec et al., 2013, as cited in Gorini et al., 2014 Kern, Geier, Skyes, Haley & Geier, 2016). Mercury has been identified as toxic for centuries, with most of the environmental mercury coming from coal-fired stations, waste incinerators and mining (Gorini, Muratori & Morales, 2014). The global increase in ASD diagnosis has not been linked to mercury exposure apart from in isolated cases so it cannot possibly be causal to the increased prevalence of autism diagnoses worldwide. It is however, still used in some vaccines overseas. Thimerosal has never been present in the MMR vaccine used in New Zealand and has been phased out of all vaccines used in New Zealand since 2000, including the current influenza vaccines (Ministry of Health, 2016). ![]() Thimerosal is a mercury-based preservative used in some vaccines and other pharmaceutical products. There is no scientific evidence to support the claims of a causal relationship between MMR and autism.Ī lot of the concern surrounding vaccinations leads back to mercury and thimerosal particularly. They did not find evidence of the MMR vaccine being associated with autism, and in fact found high evidence that MMR is NOT associated with the onset of autism in children (Maglione et al., 2014). convulsions triggered by high temperatures). They found that some vaccines are associated with serious adverse events, for example, they found a high association between MMR and anaphylaxis in children with allergies, and febrile seizures (i.e. The purpose of their research was to review a wide range of studies to summarise the evidence and to rate the strength of the collective evidence. Maglione et al., (2014) identified that despite numerous studies confirming the lack of association between MMR and autism, parents continue to be concerned about vaccinations. The much-publicised “evidence” by Andrew Wakefield linking autism with vaccines was found to be fraudulent, the author was disgraced and fired. 2019: Danish study strongly supports that MMR vaccination does not increase the risk for autism, does not trigger autism in susceptible children, and is not associated with clustering of autism cases after vaccination.The MMR vaccine prevents rubella which can lead to congenital rubella syndrome that has been associated with autism. et al, 2018) reports that vaccines do not have a causal effect on autism. 2018: Do Vaccines Cause Autism? In: The Clinician’s Vaccine Safety Resource Guide (Dudley M.Z.2012: A review of 58 studies including five randomized controlled trials covering over 14,700,000 children also found no link (Demicheli et al., 2012).2005: A review of 31 studies covering more than 10,000,000 children, also found no link (Demicheli et al., 2005).“They had conducted invasive investigations on the children without obtaining the necessary ethical clearances… picked and chose data that suited their case they falsified facts” (Horton, 2004). 2004: The Lancet, the publisher of the original Wakefield paper in 1998, released a statement refuting the original findings, saying.2002: A study from Finland of 535,000 children (Makela et al., 2002) also found no link. ![]() 2002: A study from Denmark of 537,000 children found no link(Madson et al., 2002). ![]()
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