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 ...

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 ...

Youth with foster care involvement have an increased risk for mental health diagnoses, trauma and worse outcomes in adulthood than their peers. Research about how youth with disabilities, including ...

A newly identified neurodevelopmental disorder may explain tens of thousands of cases of intellectual disability whose cause was previously unknown, according to a new study. The research, published ...

Researchers have published a pivotal study that sheds light on a novel genetic variant associated with intellectual capacities and educational outcomes. This discovery offers new insights into ...