Hearing Loss and Brain Health

Hearing doesn’t just happen in your ears, it happens in your brain.
When hearing gets worse, your brain has to work harder to understand speech. Over time, that extra work can affect memory, attention, mood, balance, and social connection. Research consistently shows a strong link between untreated hearing loss and higher rates of cognitive decline and dementia.
One major research review, the 2024 Lancet Commission on dementia prevention, listed hearing loss in midlife as one of the biggest potentially modifiable risk factors for dementia at the population level.
But here’s the honest truth: we still cannot prove that hearing aids prevent dementia for everyone.
What we can say with confidence: treating hearing loss can improve daily brain function, reduce mental fatigue, support relationships, and improve safety right now.