Autism may be accompanied by high levels of the hormone leptin in early childhood.
Nearly one in four men who have a daughter with Rett syndrome carry mutations linked to the condition in some of their sperm.
To understand another person’s point of view, children with autism may need to actively suppress their own.
Some mutations that contribute to autism and arise spontaneously may be mistaken for inherited mutations.
About 1 in 40 children in the United States has autism, according to a survey conducted in 2016. Roughly 30 percent of those children were not being treated for the condition at the time.
Some autistic children don’t show traits of the condition until age 5 or later.
After years of steady decline, the number of U.S. children without health insurance rose by 276,000 in 2017.
Children who have repetitive behaviors, a core autism trait, may show particular patterns of brain activity as early as 1 year of age.
Parents may speak to their autistic children using fewer words and less complex sentences than do parents of typical children, which in turn shapes the children’s language skills.
Case reports suggest electroconvulsive therapy is effective for treating catatonia in people with autism.
The latest study to show that autistic children tend to be overweight suggests that the risk is greatest for those at the severe end of the spectrum.