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Mysterious brain activity under anesthesia challenges what we know about consciousness
Even under general anesthesia, the human brain can analyze language, recognize different types of words, and predict what comes next in a story, according to a surprising discovery by Baylor researchers. The findings challenge our understanding of consciousness and suggest that the unconscious brain is far more capable than scientists previously realized.
Eating late at night linked to up to 30% higher risk of liver disease
Eating late at night could be putting your liver at risk, according to a large study led by Oregon Health & Science University. Researchers analyzed data from nearly 200,000 people and found that those who regularly ate after dinner or around bedtime had a 20% to 30% higher risk of liver disease, including fatty liver disease and cirrhosis.
Scientists discover a surprising danger in smaller cancer cells
Scientists have discovered that unusually small cancer cells carrying extra chromosomes can be far more aggressive than larger ones, growing faster, spreading more readily, and resisting common treatments. The surprising finding could help explain why some tumors are especially dangerous and provide a new way to predict cancer outcomes.
Rare study reveals a striking divide inside an Alzheimer’s patient’s brain
A rare examination of an Alzheimer’s patient’s brain revealed that regions cleared of amyloid plaques had remarkably little of the harmful tau buildup associated with memory loss, while neighboring areas showed extensive damage. The discovery suggests that removing amyloid may have lasting protective effects and could help slow Alzheimer’s progression, especially when treatment begins early.
Societal actors' perceptions of intersectoral collaboration and the participation of older adults in the development of age-friendly environments
CONCLUSION: Age-friendly work requires shared responsibility across societal actors, supported by clear coordination. Personal relationships and informal networks should be recognised as valuable for enabling collaboration, but they need to be complemented by formal structures to ensure sustainability over time. Moreover, greater efforts to reach seldom-heard older adults are needed. Doing so may contribute to more nuanced and age-friendly initiatives that better reflect the diverse needs of the...
Coordinated Care Experience in Late-Life and Cognitive Aging of Older Adults in the United States: A Longitudinal Cohort Study
CONCLUSIONS AND IMPLICATIONS: Perceived CC and technology use characterized cognitively robust older adults, whereas tangible support identified vulnerable individuals yet was associated with slower cognitive decline. These findings underscore the need for nuanced CC strategies: digital tools engage those aging well, while intensive tangible support may be especially important for those with greater vulnerabilities. These associations are observational and do not establish causality.
A Hypertrophic Stimulus Drives Age-Dependent Transcript Isoform Switching With and Without Differential Gene Expression in Skeletal Muscle
Aged skeletal muscle has a reduced ability to adapt to hypertrophic stimuli concomitant with dysregulation across several molecular layers. Whether altered RNA splicing associates with impaired adaptive potential is not well studied. We hypothesized that aging disrupts the splicing response to involuntary muscle mechanical loading. Using deep short-read Illumina RNA-sequencing (SRS, 60 million read pairs) and third generation Oxford Nanopore long-read RNA-sequencing (LRS) combined with a murine...
Skeletal Muscle-Derived Extracellular Vesicles in Interorgan Communication During Aging
Skeletal muscle is increasingly recognized as a secretory organ that communicates with distant tissues through the release of bioactive factors, including extracellular vesicles (EVs). During aging, muscle-derived EVs have emerged as important mediators of interorgan communication, influencing tissue homeostasis, regeneration, metabolism, and disease progression. Recent studies demonstrate that skeletal muscle EVs carry diverse cargos such as proteins, lipids, metabolites, and regulatory RNAs...
A Modified Delphi Process to Identify Clinical and Research Priorities for Aging Transgender Adults
CONCLUSIONS: Using a community-engaged modified Delphi approach, this study identified key clinical and research priorities for older transgender adults. Findings highlight the importance of provider knowledge, social support, and addressing knowledge gaps in gender-affirming care and aging. These results provide direction for future research and best practice guidelines for this population.
Give me the good news: four science stories to brighten your day
Orangutan mothers arrange play dates for their babies
World's timekeepers upend how they adjust time to avoid catastrophic 'negative second'
ArXiv versus AI slop: will capping preprint submissions work?
Strokes have nearly doubled among younger adults, and scientists aren't sure why
Strokes are becoming alarmingly common among younger adults, with rates nearly doubling among people ages 20 to 54 over nearly three decades. Researchers found that blocked blood vessels in the brain accounted for much of the increase, while high blood pressure, diabetes, and substance use also became more common among younger stroke patients. Although survival rates have improved, more young adults may now face the lasting consequences of stroke.
Ozempic and Wegovy linked to rare risk of sudden vision loss
Popular diabetes and weight loss drugs such as Ozempic and Wegovy have been linked to a slightly increased risk of a rare condition that can cause sudden, potentially permanent vision loss. Although the risk remains very low, Rutgers researchers say the findings warrant attention as millions of people turn to GLP-1 medications.
A 47-year study reveals the age when your body starts losing strength
A 47-year study has uncovered a surprising turning point in physical aging: fitness and strength begin declining around age 35, even among people who exercise regularly. Researchers found that this decline accelerates as people get older, but starting to exercise in adulthood can still improve physical performance.
Cancer is rising in younger adults, and scientists can't fully explain why
A major study found that several cancers are rising faster among younger adults in England, even as smoking, diet, and other established risk factors have generally improved. Excess weight explains only part of the increase, leaving scientists searching for other possible causes, including changes in the gut microbiome and early-life exposures.
Scientists reveal why some workout recovery tricks can backfire
Ice baths, massages, compression garments, and recovery supplements promise faster muscle recovery, but research suggests their benefits are often overstated, and some techniques may even undermine long-term gains. Scientists say the most effective recovery methods are far simpler and cheaper: getting enough sleep, eating well, and giving muscles time to rebuild.
Coral can heal rapidly from bleaching—if it touches a clone
Algal transfusion allows damaged coral to repopulate in as little as 4 weeks
Cornell scientists identify rare human genetic disorder in two unusually long-legged cats
Two unusually long-legged cats have helped scientists uncover the first genetically confirmed cases of Marfan syndrome in domestic felines. Researchers at Cornell University discovered that the brothers carried two altered copies of a gene linked to the rare connective tissue disorder, which can affect the eyes, heart, and blood vessels. Surprisingly, the cats survived into adulthood because their genetic mutation still allowed some normal function.