HEALTH & WELLNESS CORNER
HEALTH & WELLNESS CORNER
Keeping Your Brain Fit for Life
ALEXANDRA PAZ
BRUCE BLITMAN
Human life expectancy has doubled over the last hundred years. That means twice as long with our loved ones and twice as long to make great memories, but it also means that the human brain is being pushed to its limits. As life expectancy increases, we also see a commensurate rise in age-associated diseases like dementia.
The good news is that decades of scientific research have uncovered a variety of ways we can improve our chances of keeping our brains healthy as we age. While there is no guaranteed way to prevent cognitive decline entirely, evidence suggests that everyday habits can have a surprisingly powerful impact on long-term brain health.
Tip # 1: Move Your Body. One of the strongest and most consistent findings in neuroscience research is the importance of exercise. Studies show that regular physical activity can improve memory and even produce visible changes in brain regions involved in learning and memory. Exercise has also been associated with increased neuroplasticity, the brain’ s ability to adapt, reorganize, and form new connections throughout life. This ability becomes especially important as we age, helping the brain remain resilient in the face of injury, disease, or normal agerelated changes.
The benefits of exercise extend beyond the brain itself. Improved strength and balance can help prevent falls, while better cardiovascular health reduces the risk of stroke and other conditions that can negatively affect cognition. In many ways, brain health and body health are deeply interconnected.
When it comes to choosing what type of exercise you should do, research suggests that a variety of intensities can help maximize the benefits. Additionally, choosing activities that are mentally engaging may provide an extra cognitive boost. For example, taking a walk somewhere unfamiliar that requires active navigation may challenge the brain more than walking the same route every day. Learning a new dance routine, joining a fitness class, or participating in recreational sports can also combine physical movement with coordination, memory, and problem solving.
Ultimately, though, the most important factor is consistency. It is easy to get caught up in trying to find the“ perfect” exercise routine, but the best form of exercise is often the one you can realistically maintain. Whether you go for walks around the mall with friends, garden in the backyard, swim laps, or join a water aerobics class, staying active is one of the most effective ways to support long-term brain health.
Tip # 2: Get Social. Exercise can also create opportunities for another important protective factor: social interaction. Research increasingly suggests that social connection is important for brain health at all ages and may even help reduce the risk of dementia. Humans are an inherently social species, and our brains appear to benefit from regular interaction with other people. Even in cases where dementia does not develop, loneliness has been associated with cognitive decline, worsening memory, and poorer mental health outcomes. Something as simple as having regular conversations with friends, participating in community groups, or attending local events may help keep the brain healthy.
Tip # 3: Sleep Well. Another major contributor to brain health is sleep. Although scientists are still working to fully understand all the functions of sleep, we know that it plays a critical role in maintaining healthy brain function. During sleep, the brain helps clear away waste products and cellular debris that accumulate over the course of the day. One of those waste products is amyloid-beta, a protein strongly associated with Alzheimer’ s disease. Research suggests that disrupted
PBCBA BAR BULLETIN 14 or insufficient sleep may interfere with this clearing process and significantly increase a person’ s risk of developing dementia later in life.
Modern life often encourages people to sacrifice sleep in favor of work, entertainment, or productivity, but chronic sleep disruption comes with real consequences. Likewise, irregular sleep schedules or long daytime naps that interfere with nighttime sleep can make it harder for the brain to maintain healthy rhythms. If sleep problems become persistent or difficult to manage on your own, it is worth discussing them with a primary care physician.
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