Recent research reveals that adults of all ages can meaningfully improve their cognitive, emotional, and social well-being through short daily brain teasers. The study, published in the journal Scientific Reports, suggests that mental decline is not an inevitable part of aging and suggests proactive approaches to prolonging your years with a healthy, highly functioning mind.
Over the past century, advances in medicine and public health have doubled the average human lifespan. However, this increase in years of life does not necessarily equate to longer periods of brain health. A period of brain health is a period of life during which a person can maintain strong cognitive abilities, emotional balance, and a sense of social connectedness.
Researchers want to match our mental vitality with our physical longevity. Lori G. Cook, a clinical researcher at the Brain Health Center at the University of Texas at Dallas, led a team investigating whether positive habits can improve brain function over the long term. Their research is based on the concept of neuroplasticity. Neuroplasticity is the brain’s unique ability to rewire itself, form new connections, and adapt at any age.
Historically, medical professionals have focused on detecting cognitive decline and treating brain diseases after symptoms appear. Most screening tools are designed strictly to identify deficiencies, leaving gaps in their ability to measure and promote optimal mental performance in healthy individuals. Current models typically rely on comparing patients to an average baseline rather than considering an individual’s personal potential.
Cook and his colleagues sought to change this by creating a framework that focuses on continued growth rather than just disease prevention. Just as cardiologists encourage diet and exercise to maintain heart health long before a heart attack occurs, these researchers propose a similar model of heart prevention. They argue that taking steps to optimize the brain should be a lifelong public health priority.
To address this gap, the team launched a large-scale online initiative called the BrainHealth Project. They wanted to determine whether they could track and improve their overall brain fitness over several years by providing people with accessible digital tools. The research team theorized that by teaching specific mental strategies, people can take responsibility for their own mental performance, regardless of their starting point.
Researchers followed nearly 4,000 adults aged 19 to 94 over three years. Every six months, participants completed the BrainHealth Index, an online assessment developed by the research team. This tool measures three key areas of mental functioning: clarity, connection, and emotional balance.
Clarity refers to problem-solving and reasoning skills that enable people to navigate complex situations. Connectedness reflects social engagement and an individual’s sense of purpose in the community. Emotional balance describes how well an individual can cope with stress, anxiety, and mood swings in daily life.
After taking the initial assessment, participants had access to an online dashboard filled with short, interactive training modules. These short lessons taught cognitive strategies based on a program developed by the research center. Rather than using repetitive memory games, this training focused on higher-level executive functions, which are the mental skills used to plan, focus attention, and multitask.
For example, participants learned how to eliminate unnecessary distractions, integrate complex reading material into a core message, and approach everyday problems from multiple different perspectives. The platform also offered personalized coaching sessions via video calls. During these sessions, coaches helped participants interpret assessment scores and set personal goals.
The digital platform encouraged users to track daily habits that support mental fitness. These include getting enough sleep, managing stress through relaxation techniques, and setting aside uninterrupted time to focus and work. The system provided daily reminders and virtual rewards to maintain participants’ motivation over time.
Researchers looked at how individuals’ scores changed over time based on their level of engagement with the platform. They divided participants into low, medium, and high usage groups according to how often they completed training modules, recorded their daily habits, and attended coaching sessions. By tracking these different levels of participation, teams can assess whether putting more effort into the program will lead to better psychological outcomes.
The data collected showed that people can measurably improve their mental performance throughout adulthood. Participants who actively used the platform saw a significant improvement in their overall brain health scores. These improvements were seen in both the complete index score and individual components such as clarity, connectedness, and emotional balance.
“For too long, we’ve operated on the outdated idea that we need to wait and do nothing until something bad happens to our brains,” says Sandra Bond Chapman, co-author of the study and chief director of the Center for Brain Health. “This study reminds us that our brains are not defined by age, but by potential.”
Age did not influence a person’s ability to benefit from the program. Young adults in their 20s and 30s achieved improvements comparable to those in their 70s and 80s. This finding challenges the common assumption that active brain care is primarily a concern of older generations. This supports the idea that building mental resilience should begin early in adulthood.
The data also revealed a clear pattern among people who began the study with the lowest brain health scores. These people experienced the greatest rate of improvement over three years. The researchers noted that a low starting point is not a permanent condition and that targeted exercise may help close the performance gap between those who struggle and those who achieve.
Consistency was found to be a key factor in these positive results. Participants in the high-utilization group achieved the most significant gains, establishing a clear link between regular mental exercises and improved cognitive function. Even individuals who initially used the platform little, but later increased their participation, saw their scores increase accordingly.
The researchers believe that learning these mental strategies gave participants a greater sense of agency, or control over their own actions and health. By realizing they had the power to change their thought patterns, participants were more motivated to stick with their new habits. This is thought to have created a virtuous cycle of continuous mental improvement.
“Every brain, like a fingerprint, is unique and has the potential for growth,” Cook said. “By moving away from one-size-fits-all solutions, we are giving people a personalized blueprint and enabling government agencies to continue investing in brain health and performance.”
Although the results are promising, this study has certain limitations. This study was designed as a single group trial with no randomized control group. This means that all participants have access to the intervention, making it difficult to completely exclude external factors that may have influenced their progress.
Furthermore, the participant population did not have broad demographic diversity. The majority of those involved were highly educated and predominantly white. Because participants took part in this study voluntarily, they may have already had high levels of personal motivation to improve their health, which may have influenced the final numbers.
The study was conducted in the midst of the coronavirus pandemic, which may have influenced the results. The stress, illness, and social isolation associated with the pandemic likely impacted participants’ baseline feelings of connectedness and emotional balance. The researchers then updated the questionnaire to track key health events such as viral infections.
Future research should focus on recruiting a more diverse group of participants to ensure that the findings apply to the general population. The team is also working to integrate objective health markers, such as data from wearable fitness devices and sleep trackers, to support self-reported findings. They also plan to use magnetic resonance imaging to look for physical changes in the brain that correspond to improved test scores. These ongoing efforts aim to build a more comprehensive understanding of cognitive lifespan.
The study, “Measuring and increasing brain health across adulthood: A public health imperative,” was authored by Lori G. Cook, Jeffrey S. Spence, Jency Zhang, Erin E. Venza, Aaron Tate, Ian H. Robertson, Mark D’Esposito, Jeffrey SF Lin, Jane G. Wigginton, and Sandra Bond Chapman.
