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Additionally, studies involving rodent animal models also investigated the effects of chlorpyrifos. Research suggests that environmental chemicals can be targeted and impacted by pollutants. [92] [93] Some systemic reviews have indicated that while significant correlations between mercury exposure and autism have been found, more research is ...
A study in 2019 found that the management of challenging behaviors was generally of low quality, with little support for long-term usage of psychotropic drugs, and concerns about their inappropriate prescription. [15] [16] Genetic research has improved the understanding of ASD-related molecular pathways.
Some multidisciplinary research suggests that recent human evolution may be a driving force in the rise of a number of medical conditions, including autism, in recent human populations. Studies in evolutionary medicine indicate that as cultural evolution outpaces biological evolution, disorders linked to bodily dysfunction increase in ...
According to the study, "Although most studies on autism genomics focus on the deleterious nature of variants, there is the possibility some of these autism-associated Neanderthal SNPs have been under weak positive selection. In support, recent studies have identified genetic variants implicated in both autism and high intelligence.
The amygdala, cerebellum, and many other brain regions have been implicated in autism. [15]Unlike some brain disorders which have clear molecular hallmarks that can be observed in every affected individual, such as Alzheimer's disease or Parkinson's disease, autism does not have a unifying mechanism at the molecular, cellular, or systems level.
Symptoms typically start in late childhood or adolescence. [76] Several studies have reported an overlap, confusion or comorbidity with Asperger syndrome (which has been combined with autism spectrum disorder and no longer appears as a diagnostic label in the DSM-5). [77] [78] [79] Asperger syndrome was at one time called "schizoid disorder of ...
Believing in a vaccine-autism link, parents access an ever-expanding market of questionable products that claim to mitigate autistic symptoms—specialized diets, supplements, and riskier ...
The term regressive autism refers to the appearance that neurological development has reversed; it is actually only the affected developmental skills, rather than the neurology as a whole, that regresses. Usually, the apparent onset of regressive autism can be surprising and distressing to parents, who often initially suspect severe hearing ...
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