Nov 22, 2023 · Understanding Down syndrome and other intellectual and developmental disabilities is part of the reason NICHD was established. Today, the institute continues to lead research on the …

Down syndrome is a set of cognitive and physical symptoms that result from having an extra chromosome 21 or an extra piece of that chromosome. It is the most common chromosomal cause of …

The symptoms of Down syndrome vary from person to person, and people with Down syndrome may have different problems at different times of their lives.

Jun 14, 2012 · People with Down syndrome are at a greater risk for a number of health problems and conditions than are people who do not have Down syndrome. Many of these associated conditions …

Jun 9, 2025 · People with Down syndrome have hyperactive interferon signaling Interferon (IFN) signaling is an important part of the immune system involved in the anti- viral defense. Interferons …

Jun 11, 2012 · As the registry grows, families and researchers learn more about Down syndrome and identify similarities and differences in the symptoms and treatment of people with Down syndrome …

Jun 22, 2012 · Children with Down syndrome are at an increased risk for some health problems, but not all will have serious health problems.

Jun 11, 2012 · Health care providers can check for Down syndrome during pregnancy or after a child is born.

NICHD offers and links to information to help parents, families, and providers better understand Down syndrome and its effects and receive support.

Nov 22, 2023 · Down syndrome is the most frequent chromosomal cause of mild to moderate intellectual disability.