If you are looking for more information on a specific condition, these web sites may help:
The Alliance of Genetic Support Groups
www.geneticalliance.org
GlaxoSmithKline Genetics
www.genetics.gsk.com
Healthfinder
www.healthfinder.gov
Human Growth Foundation
www.hgfound.org
KS and Associates
www.genetic.org/ks
Little People of America
www.lpaonline.org
Magic Foundation
www.magicfoundation.org
Noonan Syndrome Support Group
www.noonansyndrome.org
Turner's Syndrome Society of the United States
www.turner-syndrome-us.org
The Prader-Willi Syndrome Association
www.pwsausa.org