Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 6 of 6 for William
  1. Developmental Disabilities (National Library of Medicine)  
    Developmental disabilities are severe, long-term problems. They may be physical, such as blindness. They may affect mental ability, such as learning disabilities. ...
  2. Genetic Disorders (National Library of Medicine)  
    Genes are the building blocks of heredity. They are passed from parent to child. They hold DNA, the instructions for making proteins. Proteins do most of the ...
  3. Birth Defects (National Library of Medicine)  
    What are birth defects? A birth defect is a problem that happens while a baby is developing in the mother's body. Most birth defects happen during the ...
  4. Celiac Disease (National Library of Medicine)  
    ... the disease Have Down syndrome, Turner syndrome, or Williams syndrome Are White Are female What are the ...
  5. Congenital Heart Defects (National Library of Medicine)  
    What are congenital heart defects? Congenital heart defects (CHDs) are problems with the structure of the heart. "Congenital" means that that the problems ...
  6. Heart Diseases (National Library of Medicine)  
    What is heart disease? Heart disease is a general term that includes many types of heart problems. It's also called cardiovascular disease, which means ...