Autism diagnosed early differs genetically and developmentally from autism identified later, challenging the theory that it ...

Developmental delays can affect a child’s physical, cognitive, communication, social, emotional, or behavioral skills. Often, delays affect more than one area of development. When a child has delays ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...