| Articles on Communication: How parents can teach their children with Down Syndrome to talk and communicate effectively. |
| Down Syndrome: A listing of organizations worldwide, support groups, and toy catalogs for children of special needs. |
| Down Syndrome: A family site providing links and information on specific treatments and general therapies, with movies of their affected child. |
| Down Syndrome (Trisomy 21): Explains the cardiac and non-cardiac complications, as well as outlining treatment options and prognosis. From the Cincinnati Children's Hospital Medical Center. |
| Down Syndrome Information Network: Includes a online library of books and articles. |
| Down Syndrome: For New Parents: Dedicated to providing parents with information about Down syndrome. |
| Down's Syndrome Medical Interest Group (UK): Information for healthcare professionals, including UK-specific growth charts, guidelines, and medical information library. |
| eMedicine Health: Down Syndrome: Provides an introduction to the disease and its characteristics, symptoms and treatment. |
| Epilepsy-Down Syndrome Foundation: Research into the dual diagnoses of Down syndrome and epilepsy. Emphasizes nutritional and non-medical interventions. |
| Growth Charts for Children with Down Syndrome: Charts included are for height, weight, and head circumferences. Printable. |
| Health Care for Adults With Down Syndrome: Recommendations on their specific health maintenance needs. |
| Health Issues in Down Syndrome: A collection of medical essays and abstracts for parents. |
| Mayo Clinic: Down's Syndrome: A description of the disease plus complications, risk factors, diagnosis and treatment. |
| Mosaic Down Syndrome: Stories, message boards, and a FAQ. |
| National Down Syndrome Cytogenetic Register (UK): Information about an anonymous register allowing researchers to analyse possible causal factors. Includes interpretation of the results. |
| New Attitudes Enhance Care of Adults with Down Syndrome: A short MCW healthlink article by Dr. David Smith regarding successful health care management of people with Down syndrome. |
| The PREP Program: A school and resource centre. Includes descriptions of what they do with toddlers, school-aged children, and teens. Also included are their fees. |