Epilepsy-Down Syndrome Foundation -
Research into the dual diagnoses of Down syndrome and epilepsy. Emphasizes nutritional and non-medical interventions.
http://members.aol.com/dsepilepsy/org.htm

Growth Charts for Children with Down Syndrome -
Charts included are for height, weight, and head circumferences. Printable.
http://www.growthcharts.com

Health Care for Adults With Down Syndrome -
 Recommendations on their specific health maintenance needs.
http://healthlink.mcw.edu/article/1001820316.html

Health Issues in Down Syndrome -
A collection of medical essays and abstracts for parents.
http://www.ds-health.com

Learn about Down Syndrome -
What it is, symptoms, and statistics as to how often it occurs.
http://www.mamashealth.com/syndrome/downsyn.asp

Mayo Clinic: Down's Syndrome -
A description of the disease plus complications, risk factors, diagnosis and treatment.
http://www.mayoclinic.com/home?id=5.1.1.4.5

Mosaic Down Syndrome -
 Stories, message boards, and a FAQ.
http://www.mosaicdownsyndrome.com

National Down Syndrome Cytogenetic Register (UK) -
Information about an anonymous register allowing researchers to analyse possible causal factors. Includes interpretation of the results.
http://www.mds.qmw.ac.uk/wolfson/ndscr/