This Web site provides a wide range of information about children's health, from allergies and diseases to normal growth and development (birth to adolescence). This Web site offers separate areas for kids, teens, and parents, each providing age-appropriate information that the child or parent can understand. You can sign up to get weekly emails about your area of interest.

The mission of the National Center for Infectious Diseases (NCID) is to prevent illness, disability, and death caused by infectious diseases in the United States and around the world. The Web site offers links to information about specific diseases and general areas of interest.

The American Academy of Family Physicians produces a variety of health-related educational materials. Its Web site offers a health library and bulletin board, news, and comments sections.