January 23, 2026

@michaelokun

Can hearing aids help protect the brain? Evidence is coming into focus. What does dementia mean? Dementia is a group of conditions that cause progressive problems w/ memory, thinking and daily function beyond what is expected from normal aging. Cribb and colleagues describe in a new paper in Neurology how treating hearing loss w/ hearing aids may influence long term cognitive outcomes and dementia risk. Key Points: - Hearing aid use did not meaningfully change overall age related cognitive test scores over seven years. - Hearing aid use was linked to a lower risk of developing dementia compared to not using hearing aids. - More frequent hearing aid use was associated w/ lower risks of dementia and cognitive impairment. My take: This study helps separate two ideas that are frequently lumped together. Hearing aids may not dramatically slow everyday cognitive aging for everyone, however they may reduce the chance of crossing the threshold into dementia, especially for some folks. That distinction matters. Here are 5 points that resonated w/ me: 1- Hearing loss is a modifiable dementia risk factor and treating it is practical and good medicine. 2- Hearing aids may reduce dementia risk even if day to day cognitive scores look similar. 3- Frequency matters and folks who use hearing aids more consistently appear to benefit more. 4- Benefits may be greater in those w/ worse hearing or lower baseline cognition. 5- Long term randomized trials are still needed, however this evidence supports acting now rather than waiting. https://www.neurology.org/doi/10.1212/WNL.0000000000214572 #fixelinstitute #michaelokun #parkinson #hearing