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Recent studies from the University of Southern Denmark have revealed that the diabetes medication Ozempic may double the risk of developing Non-Arteritic Anterior Ischemic Optic Neuropathy (NAION), a rare but serious condition that can lead to permanent vision loss. Analyzing data from over 424,000 Danish patients with type 2 diabetes, the research corroborates earlier findings from a smaller American study. While the absolute risk remains low, researchers emphasize the importance of discussing these findings with healthcare providers to weigh the benefits against potential risks. Novo Nordisk, the manufacturer of Ozempic, maintains that NAION is not an adverse reaction associated with their drug, asserting that the overall risk-benefit profile remains unchanged. Experts caution against overreacting to these findings, highlighting the need for ongoing monitoring and individualized patient care in managing diabetes treatment. Further research is expected to explore the underlying mechanisms and assess the prevalence of this potential side effect. 
Published: Jan 02 2025, 7 pmeznews.inRecent studies have revealed that cells beyond the brain, specifically kidney and nerve tissue cells, can form memories similar to those in brain cells, according to research from New York University. This groundbreaking work suggests that these non-brain cells respond to chemical signals and can alter their behavior based on past experiences, potentially aiding in the understanding of memory-related health issues. Concurrently, research from ETH Zurich indicates that fat tissue cells retain a memory of obesity even after weight loss, contributing to the challenge of maintaining weight loss and the phenomenon of yo-yo dieting. This "metabolic memory" persists due to epigenetic changes that affect gene activity, making it difficult for individuals to sustain weight loss. Experts emphasize that these findings highlight a deeper biological resistance to weight loss, hinting at the need for further research into potential interventions to modify or erase this cellular memory.
Published: Jan 04 2025, 1 pmeznews.inResearchers at École de Technologie Supérieure in Montreal and Dartmouth's Geisel School of Medicine are exploring a novel approach to early Alzheimer’s detection using earpiece microphones, or "hearables." Currently, diagnosing Alzheimer’s, a form of dementia characterized by memory loss and confusion, relies on cognitive tests and brain scans, with no single definitive test available. The innovative study aims to monitor vibrations in the eardrum caused by eye movements, as changes in saccadic eye motion can indicate cognitive decline. Presenting their findings at the Acoustical Society of America meeting, the team seeks participants with Alzheimer’s and mild cognitive impairment for further research. While experts acknowledge the potential of hearables for early detection, they caution about variables that may affect data accuracy. Ultimately, the goal is to create a noninvasive, wearable device that could also assist in diagnosing other neurodegenerative diseases, such as Parkinson’s.
Published: Jan 04 2025, 2 ameznews.inRecent research highlights three key lifestyle factors that could significantly enhance longevity: diet, exercise, and social connections. A Mediterranean-style diet, rich in vegetables, fruits, and lean proteins while minimizing red meat and salt, is linked to improved health outcomes. Studies suggest that swapping red meat for fish could prevent hundreds of thousands of deaths by 2050, while using salt substitutes may lower cardiovascular risks. Regular physical activity, even as simple as daily walking, is shown to extend lifespan, with evidence indicating that those over 40 could add five years by matching the activity levels of their more active peers. Furthermore, social well-being plays a crucial role; individuals experiencing loneliness have a heightened risk of chronic diseases and early death. Emphasizing healthy eating, consistent exercise, and nurturing social ties may be essential for achieving longer, healthier lives.
Published: Jan 01 2025, 1 pmeznews.inA recent study published in _Neurology_ has found no correlation between antibiotic use and an increased risk of dementia in healthy older adults. As individuals age, they are more prone to infections, leading to higher antibiotic prescriptions, particularly among those over 65, who consume 50% more antibiotics than younger adults. Concerns have arisen about antibiotics disrupting the gut microbiome, potentially affecting cognitive function. However, this five-year study, which tracked 13,571 participants, revealed that even frequent or long-term antibiotic use did not elevate dementia or cognitive decline risks. Experts emphasize that while these findings are reassuring, further research is needed to explore long-term effects. They also recommend maintaining a healthy lifestyle, including a balanced diet and mental stimulation, to support cognitive health. The study's findings provide comfort to older adults needing antibiotics for recurrent infections, highlighting that responsible use is crucial for managing health without increasing dementia risk.
Published: Dec 31 2024, 6 pmeznews.inA recent study published in the *Journal of the American Heart Association* has revealed a concerning link between insufficient sleep and cognitive decline, particularly in individuals with hypertension. Researchers found that those with high blood pressure who slept less than six hours were more likely to exhibit cognitive impairments and markers of brain aging compared to their normotensive counterparts. This correlation suggests that hypertension may exacerbate the negative effects of short sleep duration on cognitive health. While the study involved 682 participants over 40, it did not establish a direct causal relationship, and some experts caution about the strength of the findings. The results underscore the importance of maintaining healthy blood pressure and adequate sleep, prompting calls for further research into interventions that could mitigate cognitive decline in at-risk populations.
Published: Dec 30 2024, 7 pmeznews.inResearch from Charité – Universitätsmedizin Berlin has highlighted the critical role of deep sleep, or slow-wave sleep, in memory formation. The study, published in *Nature Communications*, reveals that during deep sleep, the brain's neocortex experiences alternating electrical states that enhance synaptic connections, making it more receptive to memory consolidation. This process allows the brain to replay past experiences without external interference, crucial for transferring short-term memories into long-term storage. Neurologist Verna Porter emphasized the importance of healthy sleep patterns in maintaining cognitive function, particularly in dementia patients who often experience disrupted deep sleep. The findings suggest that understanding the mechanisms of deep sleep could lead to preventive strategies against cognitive decline. Experts advocate for further research into enhancing deep sleep as a potential avenue for improving memory retention in at-risk populations, underscoring the need for better sleep management in dementia care.
Published: Dec 29 2024, 10 pmeznews.inNew research published in *The American Journal of Clinical Nutrition* suggests that a low-carbohydrate, high-protein diet may effectively lower cholesterol levels in individuals with type 2 diabetes, a group already at increased risk for heart disease due to high cholesterol. Traditionally, a high-carbohydrate, low-fat diet has been recommended, but recent studies indicate that substituting some carbohydrates with protein and fat could yield better health outcomes. Conducted at Copenhagen University Hospital, the study involved two groups of participants following either a carbohydrate-reduced high-protein diet or a conventional diabetes diet over six weeks. Findings revealed that those on the low-carb diet experienced greater improvements in cholesterol profiles, particularly when weight loss was factored in. Experts emphasize the importance of dietary patterns for managing diabetes and cardiovascular risk, highlighting the need for further research to clarify the long-term benefits of such dietary changes.
Published: Dec 28 2024, 8 pmeznews.inA recent study published in the *Journal of Nutrition, Health and Aging* highlights the importance of breakfast for cardiovascular health in older adults. Conducted at the Hospital del Mar Research Institute in Spain, the research involved 383 participants aged 55 to 75, all with overweight or obesity. The findings suggest that breakfast should provide 20% to 30% of daily energy needs, as consuming less than 20% or more than 30% is linked to increased body mass index (BMI) and waist circumference, along with higher triglycerides and lower "good" HDL cholesterol levels. The study also emphasized food quality, revealing that low-quality breakfasts correlated with adverse metabolic changes. Experts recommend a balanced breakfast rich in lean proteins, fiber, and healthy fats to support heart health. Overall, the study underscores the role of proper breakfast habits in reducing cardiometabolic risks among older adults, advocating for mindful food choices and portion control.
Published: Dec 27 2024, 2 pmeznews.inA recent draft recommendation from the U.S. Preventative Services Task Force has concluded that vitamin D supplements, whether taken alone or with calcium, do not prevent falls or fractures in older adults. This finding, based on an analysis of 20 randomized controlled studies, specifically notes that postmenopausal women and older men with normal vitamin D levels and no prior fractures do not benefit from additional supplementation. The guidelines reflect a shift from previous recommendations, which suggested vitamin D could aid in fracture prevention. Experts emphasize that while vitamin D is essential for various health functions, including bone health, its supplementation should be carefully considered within the broader context of an individual's health needs. Physicians are advised to evaluate dietary intake, exercise, and personal health factors before recommending vitamin D, as recent studies have shown no significant benefits in reducing risks associated with fractures or other health issues.
Published: Dec 26 2024, 4 pmFor the fastest, latest, not so wokest news, 'experts say' you need to visit Eznews
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