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 ...

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

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 ...

There are more than a half million homeless people in the United States; more than half of them sleep unsheltered each night, while the other half use emergency shelters and transitional housing.

A new version of the Diagnostic and Statistical Manual of Mental Disorders released this month includes changes to the definitions of both autism and intellectual disability that experts say will ...

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 ...

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 ...