A major new study shows that addressing hearing loss before age 70 can greatly lower the risk of dementia. Researchers found that adults with hearing loss who used hearing aids had a 61% lower chance of developing dementia compared to those who went untreated. The findings highlight how hearing health supports not only communication but also long-term brain function.
The study followed nearly 3,000 people over 20 years. While 1 in 5 developed dementia, those who treated hearing loss early were far less likely to experience memory decline. Yet, only 17% of people with moderate to severe hearing loss currently use hearing aids, despite strong evidence that they help keep the brain engaged. Social interaction and stimulation from better hearing may also protect against decline.
Doctors encourage anyone noticing signs — like difficulty following conversations in noisy places or needing frequent repetition — to get their hearing checked. Early treatment makes it easier to adapt to hearing aids and helps protect memory. Since untreated hearing loss nearly doubles dementia risk, experts stress that protecting your ears may also help protect your mind.
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