The Hearing-Loss-and-Dementia Connection I Never Saw Coming

After nearly a decade in women's health, I thought I'd heard it all. And then a video stopped me mid-scroll and genuinely blew my mind.

It turns out, hearing loss is one of the largest known risk factors for dementia.

I've been thinking about brain health a lot lately: my grandmother had Alzheimer's, and honestly, it scares the crap out of me. I started taking creatine because I'd read it supports cognitive function. (I stopped because the bloating was extreme and I am not built for that kind of suffering.) But the intention was there.

What I had never once considered, in all my reading and researching and late-night Googling, was my hearing. Not as a vanity thing or an aging thing, but as a brain thing.

The research is wild. A landmark study published in The Lancet found that in older adults at elevated risk for cognitive decline, treating hearing loss with hearing aids slowed cognitive decline by nearly 50%. A more recent study in JAMA Neurology went even further: people who addressed hearing loss before age 70 had a 61% lower risk of developing dementia than those who left it untreated.

Once you understand it, it tracks. When your brain is constantly working to fill in missing sounds, it's borrowing resources from other cognitive functions. Over time, that borrowing has a real cost.

I have never had my hearing tested as an adult. Apparently, most people haven't.

The more you know — and apparently, there is always more to know.