Disability advocates are speaking out as the U.S. Supreme Court prepares to take on a case that hinges on whether a diagnosis of intellectual disability should be based on more than an IQ score. The ...

Intellectual disability is a disorder marked by below-average intellectual function and a lack of skills necessary for independent daily living. The condition begins in the developmental period. The ...

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 ...