Hearing Health & Dementia Prevention

Get the facts on the importance of seeking regular hearing tests

Hearing loss affects more than the ability to communicate.

It’s a chronic condition that may put your brain at risk of cognitive decline and dementia, affecting your ability to think, focus, and remember.

But taking care of your hearing health may help take care of your brain. That makes regular hearing evaluations — just like periodic checkups for your eyes and teeth — all the more important for overall wellness.

Did you know?

The exciting ACHIEVE Study credited audiologic counseling and properly fit hearing aids in slowing loss of thinking and memory abilities nearly 50% among older adults at higher risk of cognitive decline.

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Hearing Loss & Dementia

Does hearing loss cause dementia? The potential causal relationship between hearing loss and cognitive decline and dementia isn’t fully clear or conclusive. In discussing ties between hearing loss and cognition problems, the groundbreaking ACHIEVE investigation points to possibilities that might include:

  • Distorted sound signals, which may tax the brain as it works harder to process sounds
  • Structural brain changes, which might result from sensory deprivation
  • Social isolation, which can reduce participation in activities that stimulate the brain

Even without definitive cause and effect, connections between hearing loss and cognitive decline are alarming. Studies have uncovered, for example:

  • Evidence of accelerated brain atrophy occurring alongside hearing loss
  • Faster rate of cognitive decline among older adults with hearing loss
  • 35% higher dementia risk in those with hearing loss and a 16% increased risk for every 10 decibels of worsened hearing

A Johns Hopkins Bloomberg School of Public Health-led study further illustrates the heightened dementia risk that hearing loss can pose, as well as the importance of professional hearing care. It found that among older adults with moderate to severe hearing loss:

  • There was greater prevalence of dementia over those with normal hearing
  • Use of hearing aids was linked to a 32% lower dementia prevalence
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Causes of Dementia

Nerve cells or neurons, critical to movement, thinking, sensations, emotions, and other functions, send and receive messages between the body and the brain. Injury or destruction of these cells can impair that critical communication, triggering cognitive problems. Much like cutting the wires in a complex mobile device, damaging the neurons disrupts the operation of the brain’s network.

How the nerve cells become damaged or destroyed can vary. The most common cause of dementia is Alzheimer’s disease, which typically develops in the late-middle or older stages in life. However, dementia isn’t a foregone conclusion with aging. Younger people can also develop the condition.

Some dementia risk factors apart from aging include:

  • Family history
  • Physical inactivity
  • Excessive alcohol use
  • Air pollution
  • Down syndrome
  • Smoking
  • Social isolation
  • Hearing loss
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Signs of Cognitive Decline

One of the earliest signs of cognitive decline is disruptive memory loss. Everyone forgets things now and then. Frequent trouble recalling more recent information — the place you left your keys, plans to pick up friends at the airport — could mean something more serious. If you have concerns about cognitive issues for yourself or a loved one, talk to a primary care provider for further screening.

Consider this:

  • As a leading potentially modifiable risk factor for dementia, hearing loss may be an early indicator
  • Hearing loss can sneak up on you, but routine hearing evaluations can aid in prompt identification and treatment
  • We recommend annual hearing tests to aid in early detection of hearing loss — especially for older adults or those with other risk factors such as noise exposure, ototoxic medications, or history of excess earwax buildup
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Impact of Dementia

Dementia is a progressive neurological disorder typically leading to reduced cognitive functioning, such as the capacity to:

  • Reason
  • Recall information
  • Communicate

The condition, which affects over 55 million people on a global scale and sees close to 10 million incidences annually, is often connected to aging but isn’t necessarily an inevitable part of growing older. Universally the disorder can take a heavy cognitive, physical, mental, and economic toll.

Like dementia, hearing loss is serious. It’s a medical condition that needs a medical approach to care. If it’s been a while since your last checkup or you have signs of hearing difficulty, don’t wait. Contact our knowledgeable team to book your personalized appointment today.

Frequently Asked Questions

Yes. Untreated hearing loss is one of the most well-established modifiable risk factors for accelerated cognitive decline.

Multiple long-term studies show that even mild hearing loss is associated with a higher likelihood of developing dementia over time. The worse the hearing loss, the higher the risk.

Hearing is a process that involves both your ears and your brain. When hearing loss makes your brain work harder to listen, it has less bandwidth for other functions.

Growing evidence says yes. Treating hearing loss with hearing aids or other technology helps restore auditory stimulation, reduces listening effort, and supports social engagement — all of which protect long-term cognitive health. Recent studies show a significant cognitive benefit in older adults at high risk for dementia who use hearing aids consistently.

It should be. Routine hearing evaluation — especially for adults 50+ — is one of the simplest ways to catch a modifiable risk factor early.

Treating hearing loss isn’t just about hearing better — it’s a meaningful, evidence-based way to protect your brain, your connections, and your independence over time.

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