#CognitiveFunction

A sweeping new meta-analysis has delivered a clear message: when it comes to keeping our memories sharp and preserving cognitive abilities as we age, physical exercise is the most effective activity, outshining digital brain-training apps and puzzles. Drawing upon data from over a quarter of a million people, this research marks a significant turning point in how science understands the link between physical movement and brain health.

For Thai readers, this news matters deeply as an aging population and lifestyle changes place greater emphasis on cognitive health, longevity, and quality of life. As Thailand faces increasing rates of dementia and other age-related cognitive issues, understanding and acting on proven methods to keep the brain healthy is more relevant than ever.

Drinking a daily cup of coffee may do more than provide a morning pick-me-up—it could help women stay mentally sharp and physically robust as they age, according to a landmark 30-year study that followed nearly 50,000 women in their midlife years. The research, which stands out for its unprecedented scale and scope, found that women who consumed regular, caffeinated coffee were significantly more likely to age without developing serious diseases, cognitive decline, depression, or physical frailty. This discovery offers fresh hope to coffee lovers in Thailand and beyond, while also urging a more nuanced look at the relationship between genetics and nutrition as Thais seek to promote healthy aging in an era of rapid demographic change.

A new scientific study has provided alarming evidence that acute sleep deprivation significantly impairs attention and cognitive processing, particularly in high-performance athletes. Published in the journal Neuroscience, the study focused on table tennis players in China and found that 36 hours without sleep resulted in slower reaction times, decreased attention, poorer processing capacity, and measurably weaker connections between key regions of the brain PsyPost summary.

This news is especially pertinent as Thailand faces increasing concerns over insufficient sleep among its youth and working-age adults. In a country where late-night study habits, long work hours, and a vibrant nightlife culture are common, the consequences highlighted by this research go far beyond sporting performance—they apply to students, office workers, shift employees, and anyone who regularly sacrifices restful sleep.

A groundbreaking study reveals that just five minutes of moderate-to-vigorous exercise daily can significantly improve brain function for older adults, potentially transforming how Thais approach aging and mental wellness. This new insight, led by researchers from the University of South Australia and the U.S.-based AdventHealth Research Institute, suggests that quick, accessible movement routines — even a brisk walk or short cycling session — could help combat age-related cognitive decline.

For decades, scientific consensus has pointed to the benefits of regular exercise on overall health and the reduction of risks associated with dementia and cognitive diseases. However, many older adults remain uncertain about the amount and intensity of exercise required to translate into real brain benefits. The latest study, published in the reputable journal Age & Ageing in April 2025, provides a refreshing answer: as little as five minutes a day of “huff-and-puff” activity can deliver measurable improvements in key cognitive functions, including information processing, focus, multitasking, and short-term memory. In a society like Thailand’s, where an aging population increasingly faces concerns over dementia and independent living, these findings are particularly significant (LA Times).

A groundbreaking new study published in the Journal of Physiology has unveiled a striking connection between the liver’s metabolic function and brain health, highlighting the crucial role of liver-produced ketones during exercise—and raising intriguing possibilities for combating cognitive decline, even among those with liver impairments. Conducted by researchers at the University of Missouri, the research demonstrates that when liver cells lose the ability to make ketones, cognitive and mitochondrial function in the brain suffer. Remarkably, endurance exercise was found to reverse these negative effects, suggesting a possible “backup system” that could protect the aging brain and offer new hope to individuals with liver disease (psypost.org).

Green tea, long celebrated in Asian cultures and increasingly popular in Thailand, continues to capture global attention for its wide-ranging health benefits. New research supported by nutritionists and prominent institutions underscores green tea’s potential to positively impact heart health, support cognitive function, and contribute to overall wellness—though evidence remains mixed on some health claims.

For centuries, green tea has been a staple in Thai communities, often enjoyed hot or iced, blending well with local traditions. The recent surge in scientific investigations has added weight to the beverage’s revered medicinal reputation. A review published by the US National Institutes of Health noted that polyphenolic compounds in green tea—particularly catechins—are associated with beneficial effects in prevention of cardiovascular disease, though these findings must still be interpreted with caution due to limitations in the available data (PMC4055352). Another comprehensive review pointed to possible protective effects against a range of ailments, including certain cancers, liver disorders, and heart conditions, but emphasized that most of the results stem from laboratory research or observational studies—not definitive clinical trials (PMC2855614).

A recent expert analysis, published on April 27, 2025, has reignited the debate about whether breakfast is truly the “most important meal of the day,” delivering surprising findings that challenge long-held nutritional conventions. With more Thai adults and youth experimenting with intermittent fasting or skipping breakfast for convenience or health goals, understanding the latest science is increasingly relevant for families, health professionals, and educators across Thailand.

For decades, breakfast has been upheld as the nutritional cornerstone that kickstarts metabolism, supports energy levels, and enhances cognitive performance. However, millions of people around the world—including many Thais—now regularly skip breakfast, whether as part of busy routines or guided by new dietary trends like intermittent fasting. The latest scientific research, combined with insights from leading nutritionists, paints a nuanced picture of the potential metabolic and cognitive outcomes of this habit.

A recent study has revealed that engaging in brisk walking or cycling three times per week can reduce the “brain age” of older adults by as much as ten years within just six months, offering renewed hope for those concerned about cognitive decline as they get older. The study, led by US-based researchers and published in the journal Neurology, found that regular, moderate-intensity aerobic exercise not only brings physical benefits but also has a remarkable effect on mental fitness—particularly for people already showing symptoms of cognitive impairment without dementia. This revelation is poised to resonate strongly in Thailand, where an ageing population and rising rates of chronic disease are focusing national attention on strategies to maintain quality of life in later years.

Even when the brain is running low on its regular energy supply, a new study from the University of Missouri reveals that exercise continues to deliver significant benefits—underscoring just how powerful physical activity can be for mental sharpness and cognitive health (https://showme.missouri.edu/2025/exercise-boosts-brain-health-even-when-energy-is-low/). For Thai readers concerned about aging, memory loss, or the daily stresses that sap our mental energy, these findings provide a timely nudge to make movement a routine part of life. The research, recently published in The Journal of Physiology, demonstrates that even when the liver is unable to generate ketones, an essential alternative brain fuel, exercise can still protect and restore cognitive function.

A recent scientific study suggests that taking just a single dose of ashwagandha, a traditional herbal remedy used extensively in Ayurvedic medicine, could offer a noticeable enhancement to cognitive performance and mood—effects visible as quickly as one hour after ingestion and consistent over a month of supplementation. These promising findings, published in the peer-reviewed journal Nutrients, have stirred significant interest among health-conscious Thais and supplement enthusiasts worldwide (PsyPost).

Ashwagandha, or Withania somnifera, has long been revered as a tonic in Ayurveda, the ancient Indian system of health and wellness. Known in Thai as สมุนไพรอาชวกันดา and sometimes called “Indian ginseng,” ashwagandha is botanically unrelated to ginseng but is valued for its ability to bolster resilience and manage stress, or adaptogenic properties. Its root and, less commonly, the leaves, are the primary sources of medicinal extract, used both in traditional herbal preparations and in modern dietary supplements, readily available in Thailand’s health stores and pharmacies.

Could the humble walnut hold the secret to keeping your mind sharp from breakfast until dusk? Recent findings by researchers at the University of Reading strongly suggest so, with evidence now showing that simply adding a handful of walnuts to your morning meal can measurably improve mental performance throughout the day. The study, published in the scientific journal Food & Function and widely reported by reputable news outlets including The Independent (source: The Independent), tracked 32 healthy young adults, aged 18 to 30, who consumed either a walnut-rich breakfast or a calorie-matched breakfast without nuts on different occasions. Their subsequent six hours were filled with cognitive testing and brain activity measurements—yielding results with significant implications for anyone seeking a mental edge in daily life.

A recent study from the University of Reading has brought a simple but impactful message to breakfast tables around the world, including Thailand: adding just a handful of walnuts to your morning meal could significantly enhance your brain function throughout the day. This research, published in the journal Food & Function, found that young adults who consumed 50 grams of walnuts with their muesli and yoghurt at breakfast enjoyed faster reaction times and improved memory performance, but with interesting timing differences—memory benefits were especially notable later in the day compared to those who ate a calorie-matched breakfast without nuts (The Independent, University of Reading, Sci.News).

A groundbreaking new study from scientists at Mass General Brigham, published in the prestigious journal Proceedings of the National Academy of Sciences, confirms what many Thais intuitively believe: childhood experiences—both good and bad—can lead to enduring changes in the very structure of a child’s brain, with effects that last well into adolescence and likely adulthood. Researchers have revealed that challenges in early life, such as economic hardship or family adversity, are linked to weaker “white matter” connections throughout the brain, reducing cognitive abilities like language and mathematics years later. Yet, in a hopeful twist, children who experience resilience—especially through strong relationships and supportive communities—show stronger brain development and improved academic outcomes, despite adversity. These findings carry deep implications for Thai policymakers, families, and schools, underscoring the importance of investing in nurturing environments from the earliest years of life (source, source, source).

A recent study unveiled new insights into the potential cognitive benefits of walnuts, positioning them as a noteworthy addition to the breakfast table for those aiming to enhance their memory. Conducted by the University of Reading, this study, published in the Food & Function journal, demonstrated that adults consuming a walnut-rich breakfast exhibited significantly improved reaction times and memory compared to those consuming an alternative breakfast of the same caloric value. This suggests that walnuts could play a pivotal role in cognitive enhancement, a finding that holds relevance for individuals in Thailand and beyond.

Creatine, often stereotyped as a “meathead” supplement, is gaining attention for its potential cognitive benefits. While traditionally associated with muscle building, recent research suggests that creatine can also boost brain energy, memory, and cognitive function. Dr. Bill Kapp, CEO of Fountain Life, highlights the compound’s ability to support brain health source.

Creatine is a naturally occurring compound found in small amounts in red meat, fish, and poultry. However, these sources do not provide the high doses used in brain studies. Supplementation becomes particularly relevant for vegetarians or those not consuming large quantities of meat. Recent studies reveal creatine’s potential to enhance short-term memory and reasoning abilities, as well as its neuroprotective properties, helping in the treatment of depression and anxiety. In fact, one study showed that creatine supplementation combined with antidepressants improved mood within four weeks in female participants.

In a groundbreaking study, researchers from the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University have uncovered that vitamin K, commonly associated with blood clotting, plays a crucial role in maintaining brain health, especially as we age. This discovery highlights the importance of a diet rich in green, leafy vegetables such as spinach, kale, and broccoli, which are abundant sources of vitamin K.

The study focused on the hippocampus, a brain region essential for learning and memory, and utilized middle-aged rodents to determine how a diet deficient in vitamin K affects cognitive function over six months. The researchers centered their analysis on menaquinone-4, a prevalent form of vitamin K in the brain. Significant alterations in both behavior and brain structure were observed in mice lacking this nutrient.

In a recent article by the BBC, choline, an underrecognized nutrient, is highlighted for its vital role in brain health and development. Although not widely known, choline is crucial for cognitive performance, neurodevelopment, and mental well-being. This newfound awareness about choline underscores its potential in enhancing brain functions and protecting against various disorders.

Choline is not classified as a vitamin or mineral, yet it is essential for the human nervous system’s healthy functioning. Emerging evidence points to its role in improving cognitive function and safeguarding against disorders like ADHD and dyslexia. Furthermore, choline supports neurodevelopment, with studies revealing that maternal consumption of choline during pregnancy can enhance infants’ cognitive processing speeds. Profoundly involved in brain function, choline aids in producing acetylcholine, a neurotransmitter vital for memory and learning, and is linked to reduced risks of neurodegenerative disorders such as Alzheimer’s and Parkinson’s.

New research reveals that what we often refer to as “zoning out” might not be a sign of distraction or laziness but rather a hidden superpower of the brain. This intriguing study suggests that when our minds wander during mundane tasks, our brains might be engaging in a form of mini rest, akin to taking a nap, that can enhance cognitive function.

In the throes of a monotonous lecture or the drag of repetitive daily tasks, most of us have experienced moments where our minds drift off into an unexpected daydream. This phenomenon, colloquially known as “zoning out,” is not merely an escape mechanism from boredom or lack of interest. It turns out that when you drift into a daydream, your brain activity mimics certain stages of sleep, particularly the stages that involve slow wave patterns. These are the very patterns associated with rest and memory consolidation, offering the brain calculated mini-breaks while still awake.

Recent research on dietary fiber suggests that psyllium husk, a well-known supplement for digestive health, could also play a crucial role in improving brain function. As only about 5% of the U.S. population consumes the recommended amount of fiber, this revelation could prompt many, including those in Thailand, to rethink their daily fiber intake.

Fiber has long been celebrated for its ability to improve bowel regularity and, more recently, for its role in weight management, particularly amidst the popularity of weight loss aids like Ozempic. The current buzz around psyllium husk is due to findings that suggest it may support not just physical health, but cognitive function as well.