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Learn about unilateral hearing loss (hearing loss in one ear), including common causes, symptoms, diagnosis, and treatment. Discover how CROS hearing aids, bone conduction devices, cochlear implants, and everyday strategies can help improve hearing in one ear.

Hair cells in the inner ear convert sound vibrations into electrical signals that the brain can interpret. Learn about inner and outer hair cells, how hair cell damage causes sensorineural hearing loss, what can damage these cells, and the latest research into hair cell regeneration and gene therapy.

Does your parent complain when you speak loudly, even though they have trouble hearing? Learn why this happens, what auditory recruitment is, how hearing aids can help, and how to communicate more comfortably with someone who has hearing loss.

Learn about the three main types of hearing loss: conductive, sensorineural, and mixed. Discover how they differ, what causes them, how they are diagnosed and treated, and how to communicate with people who have hearing loss.

Ear infections are common in children, especially after a cold. Learn the signs parents may easily miss, when to see a doctor, what treatment involves, and how to help prevent ear infections at home.

Mixed hearing loss occurs when both the outer or middle ear and the inner ear or auditory nerve are affected. Learn the differences between mixed, conductive, and sensorineural hearing loss, as well as common causes, diagnosis, treatment, and hearing aid options in simple terms.

Conductive hearing loss occurs when a problem in the outer or middle ear makes it difficult for sound to reach the inner ear. Learn about common causes such as earwax buildup and middle ear infections, as well as symptoms, tests, treatment, and hearing aids.

Learn about the symptoms, causes, and treatment of low-frequency sensorineural hearing loss. Find out why you may experience ear fullness, difficulty hearing low sounds, tinnitus, or a muffled voice, and how it differs from Ménière’s disease and sudden sensorineural hearing loss.