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 ...

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 ...

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 ...

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 ...

This story has been updated to include new information about severe autism. President Donald Trump touched on the topic of autism during his wide-ranging speech on Tuesday that marked his first major ...

New Haven nonprofit Legacy Developmental Services is actively working to develop more options for teens and young adults with severe autism. Legacy Developmental Services was founded by Brenda Moore ...

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 ...