Health Library

The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.

Audiology - Hearing Aid Fitter

  • Find out what cochlear implant surgery is and how to prepare for it.

  • Find out what you can do at home to care for your child after a cochlear implant.

  • Includes info on hearing loss. Discusses causes and symptoms like tinnitus, muffled hearing, and vertigo. Covers exams and tests used to diagnose hearing loss. Discusses treatment with medicine, hearing aids, or cochlear implant.

  • Assess changes in your child's behavior that might mean a hearing loss. Compare present behavior with past behavior. Does your child: Listen to speech? Turn to you when you speak? Smile when spoken to? Seem to recognize your voice? Quiet his or her crying when you speak? Startle or cry at noises? Awaken to loud...

  • Assess changes in your child's behavior that might mean a hearing loss. Compare present behavior with past behavior. Does your child: Respond to changes in your voice? Look around for the source of sounds? Notice toys that make sound?

  • Assess changes in your child's behavior that might mean a hearing loss. Compare past behavior with present behavior. Does your child: Listen when spoken to? Turn or look up when you call his or her name? Respond to requests like "come here" or "want more?" Recognize words for common items like cup, shoe, or juice?

  • Assess changes in your child's behavior that might mean a hearing loss. Compare present behavior with past behavior. Also, pay attention to the quality of your child's speech. Children must be able to hear well for normal speech and language to develop. Does your child: Listen to simple stories, songs, or rhymes...

  • Assess changes in your child's behavior that might indicate a hearing loss. Compare present behavior with past behavior. Does your child: Follow two requests, such as "Get the ball and put it on the table?" Continue to notice sounds, such as a telephone ringing, television sounds, or knocking at the door?

  • Children Some hearing problems can delay your child's speech and language development. Early screening for hearing loss can help prevent many learning, social, and emotional problems that can be related to speech and language development. Call your doctor if at any time you suspect your child has a hearing problem...

  • Medicines that damage the ear and cause hearing loss are known as ototoxic medicines. They are a common cause of hearing loss, especially in older adults who have to take medicine on a regular basis. In most cases, hearing loss occurs because the medicine damages the cochlea in the inner ear. Hearing loss caused by an...

  • What is a cochlear implant? A cochlear implant is a small electronic device that can help "make" sound if you have a certain type of severe hearing loss in both ears. The implant does the job of the damaged or absent nerve cells that in a normal ear make it possible to hear. Cochlear implants can be programmed...

  • What are hearing aids? Hearing aids make sounds louder. There are many different styles of hearing aids. And you can add special features to your hearing aids. But almost all hearing aids have these parts: A microphone, to pick up sound. An amplifier, to make the sound louder. A speaker, to...

  • Hearing loss caused by noise can occur in people of any age. It may develop suddenly or gradually, depending on the source and intensity of the noise. Noise can affect hearing in several ways. When a sudden, extremely loud sound, such as an explosion, a gunshot, or a firecracker close to the ear, damages any of the...

  • The effects of noise on hearing vary among people. Some people's ears are more sensitive to loud sounds, especially at certain frequencies. (Frequency means how low or high a tone is.) But any sound that is loud enough and lasts long enough can damage hearing and lead to hearing loss. A sound's loudness is measured in...

  • Being exposed to loud noises can result in hearing loss . As the loudness of a sound increases, the amount of time you can safely listen to the sound decreases. One way to protect your hearing is to wear hearing protectors, which reduce the loudness of the sound. Hearing protectors are especially important for those...

  • Age-related hearing loss, known as presbycusis, affects most older adults to some degree. The most frequent cause of age-related hearing loss is the natural breakdown of nerve cells in the inner ear. Sound reaches the inner ear, but the breakdown of nerve cells prevents proper hearing. This is known as sensorineural...

  • By the age of 4, your child may tell you he or she is having trouble hearing or understanding others. You can ask your child questions about his or her hearing. You can also assess changes in your child's behavior that might mean a hearing loss. Compare present behavior with past behavior. Does your child: Follow...

  • Guides through decision to get hearing aids. Explains the types of hearing aids, how they work, and how they are best used. Covers benefits and risks. Includes an interactive tool to help you make your decision.

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