The American Academy of Otolaryngology is a society of doctors who treat ear, nose, and throat conditions. The organization provides information on a variety of ailments, including dizziness and motion sickness, allergies, and sinus problems.

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 Web site has information about hearing, balance, smell, taste, voice, speech, and language.