Women who use marijuana while pregnant may be more likely to give birth to an autistic child. But investigators call for a cautious interpretation of the results.
Spectrum: Autism Research News
About 0.7 percent of children in China aged 6 to 12 — and 1.15 percent of 10- and 11-year-olds in Greece — have autism, figures that are consistent with prevalence estimates elsewhere.
Brothers and sisters of people with autism are both about two to three times more likely than the general population to have an autistic child themselves.
The relative contributions of genetic and environmental factors to autism have held steady over multiple decades, according to a large twin study.
A short, widely used screening survey for autism called the AQ-10 may not be reliable for measuring traits of the condition in the general population.
Even as a small child, geneticist Elise Robinson wondered why people think the way they do. Today, that question informs much of her autism research.
Girls with autism are diagnosed 1.5 years later, on average, than boys with the condition, perhaps because they tend to have stronger verbal skills.
Older men and women are more likely than young ones to have a child with autism, but this connection is not straightforward.