Summary:
- The study found that siblings of autistic children have a sevenfold increased risk of also being diagnosed with autism spectrum disorder (ASD).
- Researchers analyzed data from over 2 million children in Sweden and found that the risk of ASD was significantly higher in siblings of autistic children compared to children without an autistic sibling.
- The findings highlight the strong genetic component in the development of autism and the importance of early screening and intervention for siblings of autistic children.