MACON, Ga. — Linda Hayes calls her son Daryl Jr. "the light" of her life. Daryl Jr. was diagnosed with profound intellectual disability and Lennox-Gastaut syndrome, a condition that causes ...

A wider public conversation has arisen over whether it's time for a shift in how we think about categories of autism, amid rising interest in the disorder across the country.

People with intellectual disabilities, such as those with Down syndrome or fetal alcohol spectrum disorder, have historically had shorter life expectancies than the general population, but data from a ...