#Public Health

In a world grappling with escalating dementia, stroke, and depression cases, new research offers hope by identifying 17 modifiable factors that can significantly reduce risks for these conditions. Published in the prestigious Journal of Neurology, Neurosurgery, and Psychiatry, this groundbreaking review unravels crucial insights for safeguarding brain health. With over 55 million people living with dementia worldwide, and numbers expected to triple by 2050, coupled with the predicted doubling of stroke deaths by then, the study’s implications are profound and potentially life-changing.

A recent discussion in the health community led by a prominent fitness trainer highlights the top ten unhealthiest foods globally, sparking debates on dietary choices that could adversely affect one’s health. Among the controversial choices, vegan cheese, due to its processing and nutritional content, found itself labeled as “terrible” by fitness coach Lars Meidell. The list, reproduced in the Hindustan Times and further discussed in news coverage, raises questions about what constitutes healthy eating habits.

In groundbreaking research recently published in the prestigious journal Nature, scientists have discovered that the common shingles vaccine may offer substantial protection against dementia. This revelation has significant implications for health policy, elder care, and personal health strategies, particularly for Thailand’s aging population.

Dementia, a condition marked by cognitive decline and memory loss, has long been a challenge for health systems worldwide. As Thailand gradually becomes an aging society with the elderly population expected to double over the next decade, strategies to mitigate dementia become critical. The new findings suggest that a widely used vaccine could play a role in this effort.

Exercise has long been known as a natural mood booster, but a new study sheds light on just how impactful walking can be in the battle against depression. Published in JAMA Network Open, this research reveals that walking more than 5,000 steps per day is linked with a noticeable reduction in depression symptoms among adults. This analysis, which encompasses 33 separate studies involving over 96,000 participants, reinforces the important role that physical activity plays in mental health.

Health experts in the United States are raising alarms over a growing nutritional deficiency crisis that has significant implications for public health. Recent reports indicate that fewer than 10% of Americans are meeting the recommended daily intake for vegetables and only 20% for fruits, highlighting a widespread deficiency of essential nutrients that are critical for optimal health. This shortfall crisis includes vitamins A, C, D, and E, alongside crucial minerals such as calcium, magnesium, potassium, and iron. Particularly concerning are nutrients labeled as “public health concerns” due to their vital role in preventing adverse health outcomes.

A recent study from the Harvard T.H. Chan School of Public Health has uncovered a troubling effect of wildfire smoke beyond the well-known respiratory impacts. Researchers have found a significant correlation between exposure to fine particulate air pollution (PM2.5) from wildfire smoke and an increase in emergency department visits for mental health conditions. This revelation comes at a time when wildfires are becoming more frequent and severe, posing a complex threat to public health globally.

The rapid and expansive spread of the H5N1 avian influenza virus has reached an unprecedented scale, according to a recent warning by the Food and Agriculture Organization (FAO) of the United Nations. This alarming trend, highlighted in their March analysis, brings to the forefront significant risks that could affect food security and health systems around the world, including Thailand.

The global spread of the H5N1 virus has reportedly led to the destruction of hundreds of millions of birds in various corners of the world. Concerns are mounting as the virus begins to affect mammals as well, a trend that scientists are closely monitoring for potential public health implications. For Thailand, a major player in both poultry farming and global chicken exportation, these developments could have profound implications. If similar outbreaks were to occur locally, the effects on the domestic poultry industry and food supply could be severe.

A recent investigative piece highlights a concerning phenomenon associated with measles infections: immune amnesia. This condition severely impairs the body’s immune memory, potentially making those who have recovered from measles more vulnerable to other infections for years to follow. This critical finding questions the myths surrounding measles immunity, emphasizing the importance of vaccination.

The implications of immune amnesia, particularly highlighted in the current measles outbreak starting from Texas and spreading across 19 states, underscore the virus’s true danger. Contrary to myths, contracting measles does not enhance immune strength; instead, it compromises it significantly. The measles virus eradicates immune cells that remember past infections, thereby diminishing the body’s ability to fend off diseases it had previously overcome. This viral strategy replaces the immunity against other pathogens with a temporary defense against measles, ultimately requiring re-encounters with past pathogens to rebuild immune memory.

A groundbreaking study published in Nature has developed the largest and most detailed single-cell map of how the brain ages, revealing which cell types and regions are most susceptible to changes over time. Conducted by researchers at the Allen Institute for Brain Science, the study mapped over 1.2 million brain cells from both young and older mice, uncovering key vulnerabilities in the hypothalamus—a region crucial for regulating hunger, hormones, and energy balance source.

Recent research underscores a compelling link between diet and lifespan, suggesting that a diet rich in fruits, dairy, nuts, and unsaturated oils could significantly increase one’s chances of living longer. Published findings by Spanish scientists indicate that these four key food groups are critical components of the Mediterranean-style diet, which is traditionally credited with contributing to the longevity of populations such as those in Italy and Spain. By following this diet, the study suggests individuals may reduce their risk of early death by over 20%.

In a recent report, it has been highlighted that some popular herbal supplements—commonly used by older adults for various health benefits—pose significant risks to liver health. While many consume dietary supplements with the hope of filling nutritional gaps or alleviating health issues like joint pain, there is an alarming association with liver damage, which can be severe enough to lead to liver failure.

The investigation, based on a study published in JAMA Network Open in 2024, points out that six botanicals are most commonly linked to liver toxicity. These are Ashwagandha, Black Cohosh, Garcinia Cambogia, Green Tea Extract, Red Yeast Rice, and Turmeric/Curcumin. The study emphasized that such supplements are frequently taken by middle-aged and older adults, who are often more vulnerable to their adverse effects due to age-related changes in liver function.

Valerie Bertinelli, a beloved figure in the entertainment world, has opened up about a significant change in her lifestyle that has markedly enhanced her mental health. Renowned for her work on the Food Network, Bertinelli’s journey to a healthier mind was showcased on Instagram, where she celebrated a 15-month milestone of abstaining from alcohol. The actress and cookbook author emphasized how refraining from drinking had substantially impacted her emotional well-being: “I haven’t had a drink in 15 months, and it’s made such a huge difference in my mental health,” she candidly shared.

In a recent enlightening study conducted as part of the MetA-Bone Trial, researchers uncovered a surprising prevalence of vitamin D deficiency among children in South Florida, despite the region’s abundant year-round sunshine. The study, focused on the effects of a dietary fiber supplement on children’s bone mass and gut health, found that an astonishing 68% of the 213 mostly Hispanic and Black children participants had suboptimal levels of vitamin D. This news is significant not only because vitamin D is critical for bone and dental health but also due to its wide-ranging roles, including maintaining a fortified gut barrier which is crucial for preventing chronic diseases.

A recent study published in The Lancet Infectious Diseases reveals that individuals who contract COVID-19 are at an increased risk of developing various other infections for at least a year after their initial infection. The research highlights significant long-term impacts of COVID-19 on patients’ immune systems, making them more susceptible to bacterial, fungal, and viral infections, including sepsis and respiratory illnesses. For Thai readers, this research underscores the potential enduring effects of COVID-19 beyond its acute phase and stresses the importance of continued vigilance even for those who have recovered from mild cases.

The recent measles outbreak that originated in Texas earlier this year has rapidly expanded, with confirmed cases across the United States climbing to 483 by the end of March 2025. This alarming rise not only surpasses last year’s figures but raises critical questions regarding adult immunity, particularly for those unsure about their vaccination status. Notably, 93% of the current cases are tied to the Texas epidemic affecting regions including New Mexico and Oklahoma. This outbreak primarily involves individuals who are not vaccinated, prompting discussions on whether adults require a measles booster.

A recent study from Spain has sparked interest by suggesting that a low-calorie ketogenic diet may potentially reverse biological aging by over six years. This intriguing finding has captured the attention of both healthcare professionals and individuals keen on extending their health span. As the concept of epigenetic aging—where one’s biological age differs from chronological age—gains traction, this research presents new avenues for dietary interventions.

Thailand, like many countries, faces challenges with obesity, a condition identified by a body mass index (BMI) of 30 or higher. This issue is critical as obesity is connected to accelerated biological aging by affecting DNA methylation patterns, essentially speeding up the body’s internal clock. The Spanish study’s findings, showcasing a reversal of over six years in epigenetic age following a very low-calorie ketogenic diet, offer promising implications for public health.

In a remarkable new development, researchers have found that a vaccine traditionally used to prevent shingles, a painful rash-causing condition, may also help mitigate the risk of dementia in older adults. Published in the prestigious journal Nature, this study reveals that individuals vaccinated against shingles faced a 20% lower risk of developing dementia within the following seven years. This discovery adds a compelling reason for individuals, particularly those aged 50 and over, to consider vaccination—a move already advocated to combat the debilitating effects of shingles itself.

Recent research has illuminated the significant role of vitamin D in improving gut health, a discovery that could have broad implications for dietary recommendations and gut health management globally and in Thailand. Vitamin D is primarily known for its assistance in calcium absorption, essential for maintaining bone health. However, emerging studies have shown that its benefits extend beyond bone integrity, potentially enhancing the gut’s cellular structure and immune function.

The role of vitamin D in gut health is particularly noteworthy due to its involvement in enhancing the intestinal barrier. Vitamin D receptors present in the gut play a critical role in maintaining the integrity of the gut lining, which acts as a crucial defense against pathogens while enabling nutrient absorption. Strengthening this barrier can potentially reduce gut permeability, often referred to as “leaky gut,” a condition associated with various inflammatory diseases. According to a report from the Washington Post, vitamin D supplementation has shown promise in upregulating tight junctions (TJs) between gut cells, thus reducing permeability and enhancing overall gut health.

A recent article published by the Huffington Post has highlighted crucial nutritional deficiencies that are worrying experts globally. These “shortfall nutrients,” which include fiber, calcium, vitamin D, and potassium, are consumed far less than recommended, raising concerns about public health worldwide, including in Thailand. The significance of these nutrients extends beyond mere sustenance, playing vital roles in maintaining overall health and preventing chronic diseases—concerns that resonate deeply with Thai dietary patterns.

Recent groundbreaking research, as detailed in a study published in the Journal of Clinical Sleep Medicine, reveals critical insights into how certain sleep patterns are linked to brain health and the development of Alzheimer’s disease. By examining the sleep habits and brain volume changes of 270 participants, the study found that reduced slow wave and rapid eye movement (REM) sleep significantly correlates with areas of the brain affected early by Alzheimer’s disease. This research is significant as it demonstrates that poor sleep quality might act as a modifiable risk factor for Alzheimer’s, emphasizing the need for restorative sleep as a preventive measure for sustaining long-term brain health.

Recent findings have drawn a direct connection between the use of plastic bottles for drinking and increased health risks, including high blood pressure and heart problems. As plastic use remains widespread in Thailand and across the globe, these revelations are particularly significant, urging a re-evaluation of everyday habits that pose hidden dangers to our health.

The study in focus, conducted by researchers from Danube Private University in Austria and published in the journal Microplastics, reveals that microplastics—tiny particles less than 5 mm in size—might be influencing human blood pressure, a condition closely linked to cardiovascular issues. Microplastics come from the breakdown of larger plastics and are found in abundance in our daily environment, including in the food we eat, air we breathe, and the water we drink.

Recent research has unveiled promising insights into the role of dietary habits in midlife as a determinant of chronic disease prevention in later years. Conducted by prestigious institutions including the T.H. Chan School of Public Health, University of Copenhagen, and University of Montreal, the study tracked 105,000 individuals aged between 39 and 69 over a span of up to 30 years. Findings suggest that a diet rich in plant-based foods, complemented by a moderate intake of meat, significantly reduces the risk of chronic illnesses.

March’s observance of National Nutrition Month brings a crucial message about the power our daily eating choices have over our overall health and wellness. This year, the Academy of Nutrition and Dietetics’ theme, “Food Connects Us,” sheds light on how sharing meals is more than just eating together—it’s an educational experience about the food preparation, the chefs behind it, and the origins of the ingredients, reinforcing the knowledge that nutrition plays a pivotal role in disease prevention or risk.

In a recent revelation that could reshape dietary habits, Dr. Rupy Aujla, a renowned British GP and nutritionist, has suggested that many people, including potentially those in Thailand, may need significantly more protein than current dietary guidelines suggest. His insights, based on emerging research and personal experience, advocate for increasing daily protein intake by at least 50 percent, and in some cases, even doubling it. This approach aims not merely to prevent deficiencies but to optimize health across various life stages.