Canton Perspective on JAMA Finding: Hearing Aids May Reduce Dementia Risk

A new study that published in The Journal of the American Medical Association (JAMA) is shedding light on a surprising and promising connection: adults under age 70 who consistently wear hearing aids may significantly reduce their risk of developing dementia. The findings add to a growing body of evidence linking untreated hearing loss to cognitive decline, while also highlighting the role of comorbid conditions in accelerating that risk.

Researchers analyzed data from thousands of adults and found that individuals with untreated hearing loss were more likely to develop dementia compared with those who used hearing aids regularly. The association was especially pronounced in adults younger than 70 – who reduced their dementia risk by 61% – suggesting that early intervention may play a critical role in long-term brain health.

Scientists believe several mechanisms may explain the connection. When hearing declines, the brain must work harder to interpret sound, diverting resources from memory and thinking. Social isolation – common among people with untreated hearing loss – also increases dementia risk. Over time, these factors may contribute to structural and functional brain changes.

One of the most striking findings from the study is that the protective effect of hearing aids was strongest in adults under 70. Researchers suggest that early adoption may help preserve cognitive pathways before decline begins. This shows the importance of routine hearing screenings – something many adults neglect until symptoms become severe.

Over the years in Canton, I have seen firsthand the improvement of word recognition with consistent use of hearing aids. I have also consistently seen the improvement of social activities and the psychological effects with my Hear For You Audiology patients. The fact that these studies are being conducted is a breakthrough, and we need to prioritize our hearing health just as much as all other health care.

Dr. Ashley Zifer, Au.D., F-AAA, owner of Hear for You Audiology, earned her Bachelor of Arts in Speech-Language Pathology and Audiology at The University of Akron and obtained her Doctor of Audiology degree and Certification in Animal Audiology with honors at the University of Cincinnati. She has extensive training in a variety of clinical settings, including ENT offices, hospitals, VA clinics, school settings, and private practice. Dr. Zifer completed her externship at University Hospitals Case Medical Center and was Audiology supervisor at Ohio Head and Neck Surgeons. Dr. Zifer is Board Certified in Audiology, licensed in the State of Ohio (A.01891), certified by the American-Speech-Language-Hearing Association, and a Fellow of the American Academy of Audiology.