For years the story about a sharp memory in your 80s went something like this: some people just get lucky. Good genes, a fortunate draw, nothing you can do about it. If your parents forgot names in their 90s, you braced for the same. If your grandmother stayed razor sharp until she died at 95, you figured you’d hit the lottery too, or you wouldn’t.
Who are SuperAgers, really
Scientists have spent nearly two decades studying a group researchers call SuperAgers, people in their 80s and 90s whose memory performs as well as, or better than, adults in their 50s and 60s. Not “doing well for their age.” Actually outperforming what most of us assume aging looks like. Naturally, everyone wondered the same thing: did these people just win the genetic lottery?
What the new study found
A team from the HAARC Center and the Translational Genomics Research Institute, working with the SuperAging Research Initiative, decided to find out. They studied 142 confirmed SuperAgers and 89 cognitively average older adults, all 80 or older, and ran their DNA against the strongest known genetic risk factor for Alzheimer’s, the APOE gene, along with broader genetic risk scores. If luck were the whole story, the SuperAgers should have looked genetically different.
They didn’t. The SuperAgers carried essentially the same inherited Alzheimer’s risk as their peers who had average memory for their age. The researchers even went looking for rare protective gene variants and came up empty there too.
Why this actually matters for you
If genetics explained SuperAgers, the honest answer to “how do I protect my memory” would be “you either have it or you don’t.” Instead, the researchers landed somewhere far more useful. As Dr. Ana Capuano, co-first author and director of the biostatistics core at the HAARC Center, put it, understanding the biological, behavioral, and social factors behind exceptional cognitive aging could help build more personalized strategies for brain health across the lifespan. Translation: the protective forces are still being mapped, but they are not locked in your DNA at birth. That means there is room for you to act on them.
This tracks with something my guest Dr. David from the Brain and Body Foundation talked through with me on the podcast. We spent that whole conversation on what he calls the “Dirty Dozen,” the everyday lifestyle and environmental factors that quietly wear down brain health over time, and the nutrients (omega-3s, vitamin D, B vitamins, protein) that support it. None of that requires a lucky draw at conception. It requires attention, starting now, not eventually.
So what do you actually do with this?
So what do you actually do with this
A sharp memory after 80 looks less like a gift and more like a habit stacked on a habit for decades. Movement matters, since blood flow to the brain doesn’t come from sitting still. Sleep matters more than people want to admit, because your brain does real cleanup work overnight. Social connection matters, arguably as much as diet, since isolation is one of the more consistently documented risk factors for cognitive decline. And nutrition matters in unglamorous, specific ways: enough protein, enough B vitamins, enough omega-3s, not a green juice cleanse.
None of that is a promise. The lead researchers were careful to say genetics is only part of the story, and the study itself was relatively small and only captured people at a single point in time. Nobody is handing out guarantees here. But “we don’t know the full mechanism yet” is a very different sentence than “it was decided before you were born.” One of those leaves you with nothing to do. The other leaves you with a Tuesday morning walk, a real dinner, and a phone call to a friend, all of which are entirely within your control.
The bigger point
If your family history has ever made you brace for the worst, let this be the thing that talks you down. Your memory in your 80s is not a coin flip your parents already made for you. It’s still being written, one ordinary day at a time.
Relax, I got this.
Robin McCoy, Realtor® & Senior Home Coach™
214.226.3770 | RelaxIGotThis.com | Robin@RelaxIGotThis.com
Sources
- Piras, I.S., Capuano, A.W., et al. “SuperAging is not the inverse of common-variant Alzheimer’s risk: evidence across genetic ancestries.” Alzheimer’s Research & Therapy, July 23, 2026. scitechdaily.com
- “SuperAgers challenge the DNA destiny narrative.” Longevity.Technology, July 31, 2026. longevity.technology
- “Superagers keep youthful memories but their DNA does not explain why.” ScienceDaily, July 2026. sciencedaily.com
- Robin McCoy podcast episode with Dr. David, Brain and Body Foundation: watch on YouTube