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YOUR BRAIN CAN IMPROVE WITH AGE




Forget the old story that your brain peaks in your twenties and then slowly fades. New research is flipping that idea on its head—suggesting your mind can actually get sharper with age, even into your eighties and nineties (The University of Texas at Dallas, 2026). Scientists at UT Dallas followed nearly 4,000 adults, ages 19 to 94, for three years, and the results were clear: with regular mental exercise, brain power doesn’t just hold steady—it can improve (Cook et al., 2026).

This isn’t some one-off discovery. Published in Scientific Reports, the findings come from The BrainHealth Project, a major initiative launched in 2020 to understand what keeps our brains strong as we age (Cook et al., 2026). Here’s the kicker: participants only spent five to fifteen minutes a day on mental workouts, yet the payoffs were real. People reported sharper thinking, steadier emotions, and a stronger sense of purpose (The University of Texas at Dallas, 2026).

So what did these daily brain workouts look like? The BrainHealth Project’s program mixed up memory games, reasoning tasks, and exercises to boost mental flexibility. Simple activities like recalling lists, matching names to faces, or retelling recent stories helped participants hone their memory. The program also included puzzles, logic challenges, and creative prompts—like brainstorming new uses for ordinary objects—to stretch attention and problem-solving skills.

A big focus was “strategic attention,” meaning learning to tune out distractions and zero in on what matters. Participants might break down a complicated article in their own words, or sketch out a plan for a new project. Reflection exercises—like gratitude journaling or checking in on your mood—were designed to build emotional resilience and self-awareness. The variety kept things interesting, and the bite-sized approach made it easy to stick with (Cook et al., 2026).

To track progress, researchers used the BrainHealth Index (BHI), a tool that blends about 20 different measures—including the Pittsburgh Sleep Quality Index and the Oxford Happiness Questionnaire—with custom challenges meant to push your thinking further (Cook et al., 2026). “This collection of assessments gives us a window into how someone’s brain health shifts over time,” explained Dr. Lori Cook, who led the study. Instead of comparing subjects to each other, the team focused on how each person changed from their own starting point.

One of the biggest surprises? The people who started out with the lowest BHI scores—those struggling the most—made the biggest strides. “Those at the lowest level have the most room to grow, and often come in with more concerns,” Cook said. But even those who began with high scores saw meaningful improvements (Cook et al., 2026).

So what does all this add up to? Waiting for your brain to show signs of trouble before you start taking care of it is officially outdated thinking. “Our brain isn’t defined by how old we are—it’s defined by what’s possible,” said Dr. Sandra Bond Chapman, senior author and director of the Center for BrainHealth (Chapman, 2026).

And here’s another twist: age, gender, and education didn’t predict who improved most. The real key was simply sticking with the daily exercises. The researchers do admit their first group was mostly white, female, and college-educated, so they’re recruiting a wider mix of participants for future studies (Cook et al., 2026).

The BrainHealth Project is ongoing. About 400 Dallas residents have already undergone more than 1,200 brain scans as researchers look for links between BHI gains and actual changes in the brain (The University of Texas at Dallas, 2026).

“There’s something empowering about realizing you can shape your own brain health,” Cook said. “That’s the big takeaway—it isn’t just about holding steady. It’s about growing, at any age” (Cook et al., 2026).

References

The University of Texas at Dallas. (2026, June 13). Your brain can keep improving into your 90s, study finds. [Link]
Cook, L., Chapman, S.B., et al. (2026). Brain health can improve at any age: Results from a three-year longitudinal study. Scientific Reports.

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