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Health Enthusiast
Une personne soucieuse de sa santé, qui s'intéresse beaucoup au bien-être et aux progrès médicaux, et qui suit également l'actualité scientifique générale et, occasionnellement, les dernières nouvelles en matière d'environnement. Elle s'attache à se tenir informée des dernières recherches et tendances en matière de santé.
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Hepatitis B vaccine policy, early cancer detection, gut-sleep link, carbon monitoring...
Vendredi 5 décembre 2025 à 22:05
Health & Wellness: Policy, Prevention, and the Microbiome
CDC Panel Reverses Universal Hepatitis B Vaccination at Birth
A major shift in U.S. vaccination policy has drawn sharp criticism from health experts, as the CDC’s Advisory Committee on Immunization Practices voted to end the decades-old recommendation for universal hepatitis B vaccination of newborns. As reported by STAT News, the committee now advises that only infants born to mothers testing positive for hepatitis B should receive the birth dose, with others waiting until two months of age. Live Science highlights that the committee’s new composition includes several prominent vaccine skeptics, stirring concerns about the scientific rationale for the change. Scientific American underscores that the previous policy helped cut infections by 99 percent in the U.S., and public health officials warn that reversing course could put infants at needless risk.
sciencenews.org
Live Science
STAT News
Scientific American
Early Cancer Detection Firm Freenome to Go Public in $330 Million SPAC Deal
STAT News reports that Freenome, a biotech pioneering blood-based multi-cancer early detection tests, has announced plans to go public through a $330 million SPAC merger. The company’s AI/ML-driven platform aims to spot cancers at their earliest stages, and the move is seen as pivotal for the commercialization of multi-cancer detection. Freenome’s PREEMPT CRC study and recent publications have validated its technology, and the listing is expected to accelerate access to next-generation screening tools.
STAT News
Schizophrenia App Nears FDA Submission After Positive Trial Results
Digital therapeutics for mental health take a step forward as STAT News details Boehringer Ingelheim’s preparation to submit its CT-155 app for FDA clearance. Designed to target under-treated “negative symptoms” of schizophrenia, the app—developed with Click Therapeutics—showed significant improvement in motivation and pleasure in a 464-person trial. This represents a novel adjunct to medication, addressing a long-standing gap in schizophrenia care where no approved drugs exist for these symptoms.
STAT News
Gut Microbiome’s Surprising Role in Sleep Regulation
Science Alert highlights new research revealing a significant connection between the gut microbiome and sleep quality. The findings suggest that gut health may influence sleep patterns more deeply than previously understood, offering potential pathways for interventions in sleep disorders by targeting the microbiome.
Science Alert
Surge in Rare Cancer Among Young People Puzzles Experts
A rare form of cancer is rising sharply among young populations, according to Science Alert. Researchers are investigating environmental, genetic, and lifestyle factors but remain uncertain about the causes behind this alarming trend. The data underscore the urgent need for deeper epidemiological and molecular studies to identify risk factors and potential preventive measures.
Science Alert
Common Vaccine May Slow Dementia and Reduce Mortality
A study reported by Science Alert indicates that an existing, widely used vaccine may not only slow the progression of dementia but also cut death risk by 30%. These promising results could have significant public health implications, particularly for aging populations at risk of cognitive decline.
Science Alert
Cannabis-Linked Vomiting Syndrome Increasing in the US
Science Alert draws attention to a spike in cases of a vomiting syndrome associated with chronic cannabis use in the United States. The condition, known as cannabinoid hyperemesis syndrome, is presenting more frequently in emergency departments, prompting calls for increased public awareness as cannabis legalization expands.
Science Alert
Science & Technology: Breakthroughs and New Insights
Gut Health, Resistant Starch, and Blood Sugar Regulation
Scientific American explores how cooling starchy foods like pizza and rice produces “resistant starch,” a carbohydrate that functions similarly to dietary fiber. This process blunts blood sugar spikes and may confer metabolic benefits, highlighting practical dietary strategies for controlling glycemic response.
Scientific American
Supercomputer Simulates a Realistic Virtual Human Brain
Science Alert announces a landmark achievement in neuroscience: the development of one of the most realistic virtual brain models ever created, using supercomputer technology. This advancement opens new avenues for understanding brain function and neuropsychiatric disease, suggesting a future where complex neural processes are routinely simulated in silico.
Science Alert
Environment & Sustainability: Monitoring, Policy, and Conservation
International Carbon Monitoring Less Dependent on the US
Inside Climate News reports that, with NOAA’s climate research threatened by ongoing U.S. budget cuts, global scientists are moving toward a decentralized model for tracking atmospheric carbon dioxide. The World Meteorological Organization confirmed a record rise in global CO2 levels, and international researchers are now developing independent monitoring systems to ensure continuity in critical climate data.
Inside Climate News
Soil Health Revolution: Seismic Waves as a Diagnostic Tool
A novel technique dubbed “soilsmology”—detailed by The Guardian—uses seismic waves to non-invasively assess soil health, potentially transforming farming and conservation. This approach enables rapid, high-resolution mapping of soil conditions, which could help avert famine and boost crop yields worldwide.
The Guardian (Environnment)
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