December 18, 2018 / by Katherine Griffin / In /

Hearing Loss Linked to Dementia

It really doesn’t seem fair: Hearing loss, a troublesome fact of life for more than 48 million Americans, according to the Hearing Loss Association of America, may increase the risk of cognitive problems and even dementia. By the time Americans reach their 70s, two-thirds have hearing loss.

“The general perception is that hearing loss is a relatively inconsequential part of aging,” says Frank Lin, an otologist and epidemiologist at Johns Hopkins University in Baltimore. But recent findings, he says, suggest that it may play a much more important role in brain health than we’ve previously thought.

Fortunately, there’s a potential upside. If this connection — shown in several recent and well-regarded studies — holds up, it raises the possibility that treating hearing loss more aggressively could help stave off cognitive decline and dementia. Lin and other researchers have several theories about the possible explanation for the link between hearing and dementia, although they aren’t yet sure which of them — if any — will prove true.

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