Severe autism, or level 3 autism spectrum disorder (ASD), describes individuals with the highest support needs on the autism spectrum. Individuals with level 3 autism face significant challenges in ...

Readers react to a woman’s account of raising her autistic child. To the Editor: Re “Kennedy Described My Daughter’s Reality,” by Emily May (Opinion guest essay, April 27): Ms. May said what too many ...

An autistic meltdown is an intense reaction to sensory or emotional overload in autistic people. When an autistic person becomes overstimulated or unable to cope with their environment, they may ...

Over the decades, autism’s definition has expanded to a spectrum in which some people experience profound limitations and others exhibit more modest presentations. This has meant that most people on ...

About one in 31 children in the U.S. has been identified with autism spectrum disorder, according to CDC data released this month. When Health and Human Services Secretary Robert F. Kennedy Jr.

From Hollywood to Silicon Valley to the halls of Congress, autism in many ways is riding a growing wave of awareness and open conversation. April's Autism Acceptance Month will likely showcase that ...

Health and Human Services Secretary Robert F. Kennedy Jr. speaks at a news conference on April 22. (Andrew Harnik/Getty Images) Health and Human Services Secretary Robert F. Kennedy Jr. attracted ...

U.S. Health and Human Services Secretary Robert F. Kennedy Jr. attracted notice — and in some quarters, outrage — for remarks about autism, a topic he’s clashed with scientists on for years. Kennedy ...