Something's changed.
Yeah something changed! Ever hear of the theory of duhhh? People found out that your engineered toxic vaccines were causing autism and no longer let you criminals stick needles in their children! ~Freewill
There's been no rise in the rate of children diagnosed with autism
over the last three years in the US, a new study reveals, a sign that
the situation might be stabilising after several years of steady
increases.
Based on surveys of more than 30,000 parents, the number of children with
autism spectrum disorder (ASD) was 2.41 percent in the US between 2014 and 2016, with no statistically significant increase across that time.
However, the new estimate from the US National Institutes of Health (NIH) is a higher figure than the one cited in
another recent study – according to the Autism and Developmental Disabilities Monitoring (ADDM) Network, the rate was 1.46 percent in 2012.
While the numbers are different, what both the NIH and ADDM seem to
agree on is that the rate is levelling out. The ADDM had previously
noted a rise from 0.67 percent to 1.47 percent between 2000 and 2010.
"Autism now is not something rare,"
says one of the researchers, epidemiologist Wei Bao from the University of Iowa.
"It's not as rare as 1 per 1,000, as it was in the 1970s and 1980s.
With this data, now we can see it is already 1 per 41. The prevalence is
much higher than previously thought."
So why the discrepancies? One reason could be that the NIH and ADDM
surveys used different methods, with the former surveying parents and
the latter based on reports from healthcare professionals.
In this case, parents were asked if their child had ever been
diagnosed with autism, Asperger's disorder, pervasive developmental
disorder or ASD by a doctor.
On top of that, the older ADDM research only covered a select number
of sites in the US, while the NIH data was collected to form a
nationally representative sample.
However, the researchers themselves are cautioning against drawing too concrete a conclusion from just three years of data.
Some experts
have suggested
that diagnosis rates are shifting because we keep changing the
definition of what autism is. High-functioning children with Asperger
syndrome are now included in ASD figures, for example.
In fact, the definition of autism has been
shifting for decades as doctors try to understand the causes behind it. With a high inheritance rate, the condition does
appear to be genetic to some extent.
Part of the problem in understanding how autism originates is that
the signs of it – like difficulties in social interaction and
communication – don't appear until the ages of 2 or 3.
Despite the complexities, any statistical insight we can get into ASD
should help in understanding the condition and working out how it
starts, and the new research did throw up some differences between
various groups of kids.
For example,
3.54 percent of boys were reported to have ASD, compared to 1.22
percent of girls. Rates were 1.78 percent in Hispanic children, 2.36
percent in black children, and 2.71 percent in white children, though
the researchers didn't go into why this might be.
At its most basic, this research means we know a little more about
what we're dealing with, and that there doesn't seem to have been an
increase in rates over the last three years.
The researchers involved state that they want to see these figures carefully monitored in the years ahead.
"After many years of seeing a slow but steady increase in the
prevalence of autism spectrum disorders, it is encouraging that the most
recent national data failed to find any increase during the most recent
three-year period,"
says Andrew Adesman, from the Cohen Children's Medical Center of New York, who wasn't involved in the study.
"Although it is encouraging that the prevalence of autism spectrum
disorders is not increasing further, we don't have a good understanding
of why the prevalence increased in recent previous years, and it remains
concerning that the prevalence is as high as it is."
The research has been published in the
Journal of the American Medical Association.
http://www.sciencealert.com/autism-asd-plateaus-over-3-years
