The American Speech-Language-Hearing Association (ASHA) promotes the interests of and provides services for professionals in audiology, speech-language pathology, and speech and hearing science. ASHA also advocates for people with communication disabilities. The Web site has information on related health topics, self-help groups, and finding a professional in your area.

NCBDDD aims to find the cause of and prevent birth defects and developmental disabilities. This agency works to help people of all ages with disabilities live to the fullest. The website has information on many topics, including genetics, autism, ADHD, fetal alcohol spectrum disorders, diabetes and pregnancy, blood disorders, and hearing loss.

This website is sponsored by the Nemours Foundation. It has a wide range of information about children's health, from allergies and diseases to normal growth and development (birth to adolescence). This website 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 National Dissemination Center for Children with Disabilities (NICHCY) is the national information and referral center that provides information on disabilities and disability-related issues for families and professionals. The focus is on children and youth, birth to age 22.

The National Institute on Deafness and Other Communication Disorders, part of the U.S. National Institutes of Health, advances research in all aspects of human communication and helps people who have communication disorders. The website has information about hearing, balance, smell, taste, voice, speech, and language.