People Who Felt Good About Getting Older Actually Aged Better

A 12-year Yale study found that older adults with a positive outlook on aging were significantly more likely to improve their thinking and mobility over time.

Most of us carry around a quiet assumption about getting older. We expect it to be a slow, steady slide. A little less sharp every year. A little slower on the stairs. We treat it like gravity, something that just happens to everyone.

A study out of Yale says that assumption is wrong for a lot of people. And the part I find most interesting isn't just that people can improve later in life. It's that what you believe about aging appears to be one of the things that predicts whether you do.

What the researchers found

The study, published this spring in the journal Geriatrics, was led by Becca Levy, a professor at the Yale School of Public Health who has spent decades studying how our beliefs about age affect our health. She and her co-author Martin Slade analyzed data from more than 11,000 older Americans, tracked for up to 12 years through a large, nationally representative study. They looked at two things: cognitive performance, measured through memory and thinking tests, and physical function, measured by walking speed.

The headline finding: about 45% of adults 65 and older showed measurable improvement in cognition, physical function, or both.

And this wasn't only people bouncing back from an illness or injury. Participants who started the study with completely normal function improved too.

We've been measuring aging as if the only direction is down. When you build a scale that allows for improvement, a lot of people start showing up on it.

The mindset piece

Here's where it gets really interesting. The people who held more positive beliefs about aging at the start of the study were significantly more likely to improve, in both their thinking and their walking speed. That held up even after the researchers accounted for age, sex, education, depression, and chronic disease.

Levy's broader research explains why this might happen. Her theory is that the stereotypes about aging we absorb from ads, media, and everyday conversation slowly become personal beliefs over the years, and those beliefs may start to shape our health in real, physical ways. This isn't a new thread for her, either. One of her best-known earlier studies found that people with positive views of their own aging lived an average of 7.5 years longer than those with negative views.

Now, it's worth being clear about what this study is and isn't. It's observational. It shows a strong association, not proof that changing your mindset will directly make you sharper or faster. Other factors could be playing a role. But the pattern is consistent with years of Levy's prior work, and it points in a hopeful direction.

Why this matters to me

I spend a lot of my time thinking about how beliefs shape outcomes. In business, the story you tell yourself about what's possible sets the ceiling on what you'll attempt. If you believe a market is dead, you never look for the opening. If you believe a problem is unsolvable, you never try to solve it.

It turns out the same thing may be true for our bodies and brains. If you believe decline is inevitable, you may stop doing the things that keep you strong. You skip the walk. You stop learning new things. You accept the fog. And then the belief quietly proves itself right.

That's not to say anyone who declines simply had the wrong attitude. Illness and genetics are real. But belief appears to be one lever we actually control.

The inspiration for this study actually came from people like Diana Nyad, who swam 110 miles from Cuba to Florida at 64 after failing to finish that same swim years earlier. Levy wanted to know whether people like that were rare exceptions or more common than we think. The answer seems to be: more common than we think.

The practical takeaway

The encouraging part is that beliefs are changeable. Levy herself has pointed out that since age beliefs can shift, this opens the door to real change, for individuals and for society. You can't change your birthday. You can change the story you're telling about it.

For me, that starts with noticing the small stuff. The "I'm too old for that" comments. The jokes about senior moments. The assumption that the best years are behind you. None of it is harmless background noise if it's slowly shaping what you believe your body can do. Pair a better mindset with the things we already know work, like strength training, staying curious, and staying connected to people, and the next few decades start looking a lot less like a slide and a lot more like a second act.

"The ceiling on what's possible is usually set by what we believe. That's true in business, and it may be just as true for how we age."

— Paul Gravette, Founder & CEO, Gravette Capital