What are intellectual and developmental disabilities? Intellectual disability is a disability characterized by significant limitations in both intellectual functioning and in adaptive behavior, which ...

A new study is among the first to estimate the number of adults in the U.S. with intellectual disability, offering policymakers and other stakeholders a snapshot of the need for resources. Just shy of ...

Intellectual disability causes significant limitations to a person’s intellectual functioning and adaptive behavior. Intellectual disability is also sometimes known as cognitive disability. An ...

Scientists have uncovered a rare genetic cause of intellectual disability in a historically overlooked part of the human genome: so-called junk DNA. This knowledge could someday help to diagnose some ...

The U.S. Supreme Court is set to hear arguments in a case that advocates say could have major implications for how intellectual disability is defined. The high court will consider Hamm v. Smith on ...

Almost 1,500 genes have been implicated in intellectual disabilities; yet for most people with such disabilities, genetic causes remain unknown. Perhaps this is in part because geneticists have been ...

A team of researchers from the University of Aberdeen has uncovered, for the first time, how genes linked to autism and ...

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 ...

Peter Prater's family wasn't thinking about COVID-19 when the call came that he had been taken to the hospital with a fever. It was April, and the Tallahassee Developmental Center, where Prater lives, ...

Is an intellectual disability a condition, or a number on an IQ test? Here's why an Alabama death penalty case at the Supreme Court is worrying advocates.