Nine in ten Americans say they know brain health is important. Only one in ten know what to do to protect it. Most don’t realize that one of the most powerful levers for brain health isn’t a supplement or a scan. It’s their hearing.
A 2025 study published in JAMA Neurology has revealed a definitive, high-stakes window for cognitive protection. The research found that people with hearing loss who began using hearing aids before age 70 saw a staggering 61% lower risk of developing dementia over the following two decades. More importantly, for those who waited until after 70 to take action, that protective effect vanished.
Despite this, the average American waits nearly a decade after noticing symptoms before seeking help. We are living in a ten-year gap of silence that is costing us our cognitive reserve.
Your Brain Is Doing the Hearing
Hearing is a brain function and ears are the gateway. The brain performs the work of decoding sound into meaning, context, and connection.
When hearing begins to decline, the brain is forced into a state of “auditory deprivation.” It has to work overtime to decode garbled signals, diverting precious energy away from memory and executive function. This creates a devastating cascade: first, cognitive function begins to erode under the load; then, social confidence falters as conversations become exhausting rather than nourishing. People withdraw simply because being social has become too costly. Relationships strain and mental health declines as the world feels further away.
The reverse, however, is equally powerful. When we restore the auditory signal, we hear better and our brains work better. Our social ties strengthen, our mental fatigue lifts, and our connection to our lives returns.
The Myth That’s Costing Us
In efforts to live longer, healthier lives, we’ve optimized our microbiomes, tracked our sleep cycles, and scrutinized our VO2 max. But hearing health is almost entirely absent from the modern longevity conversation, despite scientific-evidence. The reason is a deep-seated cultural stigma.
We’ve been conditioned to view hearing loss as a faraway issue, something to worry about well into our 70s and 80s rather than a vital sign of health. We are obsessing over supplements and scans while ignoring the one modifiable risk factor that is literally right between our ears.
Closing the 10-Year Gap
We have to fundamentally reframe hearing care from a reactive, later-in-life “fix” into a proactive pillar of wellness.
The good news is that the barriers to this shift are lower than ever. Modern advancements in teleaudiology and remote diagnostic tools have made medical-grade hearing assessments as accessible as any wearable health tracker. We no longer need to wait for a crisis or a specific age to take action; the tools to protect our cognitive reserve are already at our fingertips.
The Payoff: Protecting Who You Are
The people who maintain their edge as they age — those who focus on their health and wellness by optimizing their nutrition, staying socially connected and physically active — are not people who ignore their hearing health, either. They recognize that you cannot optimize your health while neglecting the very sense that facilitates connection and cognitive function.
Addressing hearing today is not a concession to age. Rather, it’s an intentional move to stay sharp, safe, and connected to the people and the world you love for decades to come.
Dr. Rachel Artsma
Dr. Rachel Artsma is a senior audiologist at hear(.)com. She is a licensed Audiologist in PA, NY, and NJ. She is from Long Island, New York and received her doctorate degree from the Long Island Consortium – Hofstra / Adelphi / St. Johns Universities.
