The ARC (Association for Retarded Citizens)
www.thearc.org
The ARC is a national organization committed to the welfare of all people with mental retardation and related developmental disabilities and their families.

MedlinePlus Developmental Disabilities
^{www.nlm.nih.gov/medlineplus/developmentaldisabilities.html}
Extenisve resources on all aspects of developmental disabilities with links to the latest news, general overview,clinical trials, coping,diagnosis and symptoms, resparch, specific conditions, law and policy, organizations, children,and seniors. Some materials are in Spanish.

Intellectual Disability
www.cdc.gov/ncbddd/dd/ddmr.hmtl
Webpages from the CDC and national Cener on Birth Defects and Developmental Disabilities which explains how this is defined, how common it is, and provides resources to help intellectually disabled people to develop to their full potential.

MedlinePlus Developmental Disabilities

The information furnished by the Childrens Virtual Hospital at Providence is of a general nature and is designed for educational purposes only. As each situation is unique, do not rely on this information for diagnosis and treatment. The Childrens Hospital at Providence recommends that you visit a qualified Health Care Professional for individual and personal attention.