One year after researchers published work on a physiological test for autism, a follow-up study confirmed its accuracy in assessing whether a child is on the autism spectrum.
In the second study, researchers at the Rensselaer Center for Biotechnology and Interdisciplinary Studies were able to predict with 88 percent accuracy whether children have autism based on metabolites in a blood sample.
Currently, autism diagnosis depends solely on clinical observations, which means most children are not diagnosed with ASD until after four years of age. Earlier diagnosis can lead to better outcomes as children engage in early intervention services.
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