Hearing aids linked to 23% lower dementia risk in people with epilepsy

Among the many threads connecting sensory health to cognitive aging, a new study has found an unexpected knot: in people living with epilepsy, the simple act of treating hearing loss with hearing aids appears to reduce the risk of dementia by nearly a quarter. Drawn from records spanning more than 250 million patients and presented at the European Academy of Neurology Congress in 2026, the finding is notable not only for its size but for its precision — the benefit appeared in epilepsy patients alone, untouched in six other high-risk conditions. It is a reminder that the brain's vulnerability