One in 36 (2.8%) 8-year-old children — 4% of boys and 1% of girls — have an autism spectrum disorder (ASD), based on an analysis of data from 2020, published today by the Centers for Disease Control and Prevention (CDC).
The latest findings, reported in the CDC’s Morbidity and Mortality Weekly Report, show an increase from the last report, which found 1 in 44 8-year-olds (2.3%) had autism in 2018.
Since the CDC started collecting the data, prevalence estimates have skyrocketed from 1 in 150 in 2000, to today’s estimate of 1 in 36 children.
The trend has persisted for decades. Autism prevalence in the 1990s, which was 1 in 1,000 children, already represented a tenfold increase over the condition’s estimated prevalence in the 1970s.
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A second CDC report on 4-year-old children, also released today, emphasized that in the early months of the COVID-19 pandemic, 4-year-old children were less likely to be evaluated for or identified with ASD than 8-year-olds of the same age.
Prior to the pandemic, 4-year-old children were diagnosed with autism at even higher rates than the 8-year-old cohort.
For the first time since the CDC began doing these studies, both studies found autism prevalence was higher among Black, Hispanic and Asian/Pacific Islander children than among White and biracial children. ASD prevalence among these groups increased 30% between 2018 and 2020.
The prevalence report suggested these numbers “might reflect improved screening, awareness, and access to services among historically underserved groups.”
Commenting on the CDC’s assertion that children of color have higher rates of autism than white children because of improved screening and awareness, Sallie Bernard, co-founder and board president of SafeMinds, told The Defender:
“That does not explain why their rate is higher than white children. As a group, no racial or ethnic minority here gets better assessment and diagnosis than white children, so to explain the disparity in the rate now as due to better assessment for minorities is just ludicrous.”
Conclusory statements attributing growth in autism numbers to “more awareness and a wider ability of services” is part of a long-term trend among public health officials and the media.
Most autistic children were found to either have an intellectual disability (37.9%) or to be on the borderline for having one (23.5%).
Black children with autism were far more likely than white children to have a co-occurring intellectual disability, which the report said might stem from “underascertainment of ASD among Black children without intellectual disability.”
The recommendation for “public health action” is to develop “enhanced infrastructure to provide equitable diagnostic, treatment, and support services for all children with ASD.”
Bernard agreed that there is a need for greater infrastructure and support. “The services and supports have been lacking forever. And now if you have a four-fold increase [in ASD], it is going to be four times worse,” she said.
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But the report makes no comment on the causes of autism, nor does it offer an explanation for the rising rates beyond increased testing.
The Defender asked Bernard whether she thought better testing could be driving the trends. She said:
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Toby Rogers, Ph.D., had this to say about the CDC’s claims that better testing is behind the growing number of autism cases:
“The unwillingness of the CDC to even ask why these numbers are increasing is a massive ‘poker tell’ that they know but are prohibited from talking about it.
“Two high-quality, multi-million dollar studies in California (Byrd et al., 2002; Hertz-Picciotto and Delwiche, 2009) both concluded that better awareness, changes in diagnostic criteria and earlier age of diagnosis only explain a small fraction of the rise in autism.
“The authors of these studies urged public health officials to place greater emphasis on researching the toxicants that might be driving the increase in autism prevalence. [For a longer discussion of these studies please see Rogers, 2019.] The fact that the CDC is still refusing to properly investigate autism causation is outrageous.”
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As autism rates skyrocketed among U.S. children over the past several decades, along with concern among parents, much research has turned to investigate the role of environmental risk factors in compounding underlying diverse genetic factors.
Environmental risk factors include metals like aluminum and mercury in vaccines, glyphosate exposure, use of acetaminophen during pregnancy and infancy, heavy metals in baby food and other organic environmental pollutants.
Studies also link industrial chemicals, such as lead, arsenic, copper, selenium, iron and magnesium, to the disorder.
Despite growing evidence that environmental factors may play a role in the development of ASD, the CDC did not investigate environmental exposures as a potential cause.
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Higher rates of autism: ‘encouraging patterns?’
The ADDM study on prevalence among 8-year-olds is the CDC’s standard for estimating autism rates. It uses the ADDM Network to estimate the number of children with ASD and other developmental disabilities living in different areas of the U.S.
The CDC established the ADDM Network in 2000. It tracks rates of autism in 8-year-old children by analyzing education, medical and service provider records. It releases reports every two years.
The first ADDM Network site was in Georgia. The study released today includes research sites in Arizona, Arkansas, California, Georgia, Maryland, Minnesota, Missouri, New Jersey, Tennessee, Utah and Wisconsin.
The report found autism prevalence rates vary widely geographically, with the lowest rates in Maryland and the highest rates in California.
The early ADDM Report analyzes autism diagnoses for 4-year-old children among the same network sites. It reported that rates also varied substantially by location, and attributed higher rates of autism diagnoses among 4-year-olds than 8-year-olds to higher diagnosis rates.
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Commenting on the regulatory and other failures that brought autism rates to this point, Rogers told The Defender:
“The CDC, FDA and NIH have all failed. Their leadership should be sacked, arrested and prosecuted for crimes against humanity.
“We absolutely know how to stop the autism epidemic — keep toxic substances out of kids’ bodies. Toxic substances known to increase the risk of developing autism include mercury, ingredients in plastics and fire retardants, pesticides and herbicides, EMF/RFR, and pharmaceuticals (Tylenol, SSRIs and vaccines).
“Autism is not a scientific mystery. The autism epidemic is largely the result of bad laws, regulatory capture, and the CDC childhood vaccine schedule.”
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Via https://childrenshealthdefense.org/defender/autism-rate-increase-cdc/
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