The hidden connection between hearing aids and brain health

A landmark study published in JAMA Neurology has uncovered compelling evidence that people in their 60s who use hearing aids may reduce their risk of developing dementia by 61% compared to those who leave their hearing loss untreated. The protective effect was most pronounced for individuals under 70, underscoring the critical importance of early intervention when hearing changes begin.

Read the full study here: New Study Finds 61% Reduced Dementia Risk Among Hearing Aid Users Under 70

Additional research published in The American Journal of Geriatric Psychiatry (2025) found that hearing aid use correlates with fewer neuropsychiatric symptoms, including anxiety, depression, and agitation, among people already living with dementia. This suggests that addressing hearing loss may support overall mental well-being at multiple stages of cognitive health.

You can download the free e-book here: The American Journal of Geriatric Psychiatry, 2025 Hearing Aid Use Linked to Fewer Neuropsychiatric Symptoms in People with Dementia

Despite demonstrable benefits, researchers found that only about 17% of people with moderate to severe hearing loss actually use hearing aids. This represents a substantial public health opportunity to prevent cognitive decline through accessible intervention.

The research suggests three key takeaways:

Timing matters: The greatest protective benefits appear when hearing aids are adopted in the 60s, before age 70. Comprehensive benefits: Improved hearing may support both cognitive function and emotional well-being. Prevention potential: Early intervention could be one of the most practical ways to reduce dementia risk

This research has captured widespread attention in major publications. Read more in this New York Post here: You can cut your risk of dementia by 61% by doing this – but you have to start before age 70 and this The Times UK post here: Going deaf in your 60s? Getting hearing aid can slash dementia risk

Further Reading & Resources:

New Study Finds 61% Reduced Dementia Risk Among Hearing Aid Users Under 70 (JAMA Neurology)

Hearing Aid Use Linked to Fewer Neuropsychiatric Symptoms in People with Dementia (American Journal of Geriatric Psychiatry, 2025)

Do you have something to contribute? Please contact Mary Sofoclis at mary.sofoclis@lca.org.au