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How does hearing loss cause dementia?

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Senile deafness

If you can't hear what they're saying, it makes you anxious.


Did you know that the biggest preventable cause of "dementia" is "hearing loss"?
"Dementia can make autonomous behavior more difficult and increase the strain it places on a family member, no matter how physically healthy the person is.

Age-related hearing loss is a phenomenon that can happen to anyone, but the risks are not considered as dangerous as physical strength or vision.
Nowadays, people with hearing loss need to have a better understanding of their surroundings.


Author: Etsuko Sone

freecle Inc. / Web Engineer

The relationship between dementia and hearing loss

Age-related "senile hearing loss" (senile deafness) is generally associated with difficulty hearing from high pitched sounds.
In the cochlea in our ears, there are cells called "hair cells" that play an important role in transmitting sound to the nerves.

As we age, these "hair cells" deteriorate and diminish, leading to hearing loss, but once they deteriorate and diminish, they never return to normal.
"This is why it is medically difficult to treat hearing loss (senile hearing loss).

Furthermore, diminished hearing reduces the amount of information available to us from the outside world and reduces the opportunity to use our brains, increasing our risk of developing "dementia."

In 2017, the Lancet Committee, which publishes the world's five largest medical journals, The Lancet 、

"Of all the factors that cause dementia, the biggest preventable factor is hearing loss," he announced.
The risk of "hearing loss" is becoming more and more prevalent, but it is not yet well known.

How to prevent hearing loss

As a coping strategy, the media and medical organizations have identified three main things to do

  • Avoid stress.
  • Improving blood flow to the ears
  • Avoiding loud noises.

This is the author's own opinion, but I feel it's especially important not to get stressed out.

"When you have a hearing loss, it can be difficult to hear your friends and family in busy places, and you may feel alienated and alone.
There are various ways to cope with this, such as changing places, talking at a short distance, etc., but I think the most important thing is to talk to your close family and friends on a regular basis and avoid creating scenes that make you feel alienated and alone.

Summary (Author's Thoughts)

My mother is stressed out because she can't hear conversations with her favorite friends in busy places like cafes and restaurants.
This year, she is 65 years old and could be considered a senior citizen, but until a few months ago, she was just "a little deaf."

Therefore, I try to communicate with him proactively, learn how to deal with his hearing loss, and share with him.

I'm sure many of you may be in a similar situation.
I hope that this article will reach as many people as possible and help them to become aware of the risks of hearing loss.
We encourage everyone to talk about it with their families.


Japan Geriatrics Society, "Hearing Loss in the Elderly," 

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