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Gastrointestinal symptoms are a common comorbidity in patients with autism spectrum disorders (ASD), even though the underlying mechanisms are largely unknown. The most common gastrointestinal symptoms reported by proprietary tool developed and administered by Mayer, Padua, and Tillisch (2014) are abdominal pain, constipation, diarrhea and ...
There is a significant level of misdiagnosis of autism in neurodevelopmentally typical children; 18–37% of children diagnosed with ASD eventually lose their diagnosis. This high rate of lost diagnosis cannot be accounted for by successful ASD treatment alone.
Autism is often difficult to diagnose in adults due to overlapping symptoms with various other disorders. This can lead to a misdiagnosis, or an entirely missed diagnosis of ASD. This poses a challenge to psychiatrists in identifying undiagnosed adults who may have autism. [ 2 ]
Story at a glance People on the autism spectrum may also have varying co-occurring disorders and psychiatric conditions. An analysis of more than 4,600 autistic adults finds differences in the ...
A 2003 review of epidemiological studies of children found autism rates ranging from 0.03 to 4.84 per 1,000, with the ratio of autism to Asperger syndrome ranging from 1.5:1 to 16:1; [142] combining the geometric mean ratio of 5:1 with a conservative prevalence estimate for autism of 1.3 per 1,000 suggests indirectly that the prevalence of AS ...
Other symptoms can include loss of motor skills — problems walking, swallowing or muscle spasms. ... Tallulah Willis Sees Her Autism Diagnosis 'As a ... “I was misdiagnosed for many years ...
[40] [citation needed] These advocates believe that medical research is necessary to address the rapid rise in autism diagnoses (sometimes referred to as the "autism epidemic"), [40] reduce suffering, and provide the best outcomes for autistic individuals. In addition to etiological research, other areas of focus may include biology, diagnosis ...
Autism is a condition that many people have at least heard of and with good reason: It's estimated that 1 in every 44 8-year-old children in the U.S. has autism spectrum disorder, according to ...