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Science News Archive 2023 - Page 59


Page 59 of 444

Single gene controls Corn Belt weed's resistance to soil-applied herbicide

Researchers at the University of Illinois have identified a single major gene controlling waterhemp's resistance to S-metolachlor, a widely used soil-applied herbicide. This finding poses a significant challenge for farmers, as it increases the risk of spread and limits effective weed management options.

Expert consensus statement defines best practices for integration of lifestyle medicine into primary care settings

The American College of Lifestyle Medicine has published an expert consensus statement defining the implementation of lifestyle medicine in primary care, which aims to achieve optimal health outcomes. The statement emphasizes the importance of a multi-disciplinary team approach and deprescribing medications as essential parts of safe a...

SourceAmerican College of Lifestyle Medicine·JournalAmerican Journal of Lifestyle Medicine·DateNov 8, 2023

How mice choose to eat or to drink

A Stanford University study found that mice resolve conflicts between hunger and thirst through indirect modulation of behavior. The researchers used advanced recording technology to monitor individual neurons in the mouse brain, predicting the animal's choice before it was presented with options.

SourceStanford University·JournalNature·DateNov 8, 2023

Independent monitoring of the WHO pandemic agreement is non-negotiable, experts say

Researchers at Columbia University Mailman School of Public Health propose establishing an independent committee to monitor state parties' compliance with the WHO pandemic agreement. The committee would report to a heads of state-level body and share findings publicly to promote accountability and effective implementation.

Computer models fill critical knowledge gaps to help reduce cancer disparities

Researchers used computer modeling to analyze cancer incidence and mortality rates among diverse populations, confirming the validity of the approach. The studies aimed to address critical public health issues by identifying leverage points to increase equity in cancer burden among Black populations.

SourceGeorgetown University Medical Center·JournalJNCI Journal of the National Cancer Institute·TypeComputational simulation/modeling·DateNov 8, 2023

Molecule tested at University of São Paulo, in Brazil, proves able to mitigate heart failure

Researchers at the University of São Paulo have tested a synthetic molecule called AD-9308, which has shown potential in treating heart failure by activating the enzyme aldehyde dehydrogenase 2. The study found that the molecule improved mitochondrial filtration, eliminating cellular pollutants and boosting heart function by up to 40%.

Conversational artificial intelligence/large language model can accurately diagnose and triage health conditions, without introducing racial and ethnic biases

A study published in JMIR Medical Education found that GPT-4 can accurately diagnose and triage health conditions comparable to board-certified physicians. The model's performance does not vary by patient race or ethnicity, providing a promising tool for healthcare systems.

SourceUniversity of California - Los Angeles Health Sciences·JournalJMIR Medical Education·TypeObservational study·DateNov 8, 2023

Researchers identify brain network that is uniquely activated through injection vs. oral drug use

A study published in Nature Communications reveals that the 'salience network' in the brain is uniquely activated by intravenous drug use, which may be associated with higher addiction rates and faster relief from withdrawal. This finding could lead to the development of new therapies for substance use disorders.

SourceNIH/National Institute on Drug Abuse·JournalNature Communications·DateNov 8, 2023

New study highlights connection with strawberries, cognition and mood in middle-aged, overweight adults

A new study published in Nutrients shows that daily strawberry consumption for 12 weeks reduced interference in memory and depressive symptoms among middle-aged, overweight adults with self-reported mild cognitive decline. The findings suggest that the anti-inflammatory actions of anthocyanins found in strawberries may be responsible.

SourceWild Hive·JournalNutrients·TypeRandomized controlled/clinical trial·DateNov 8, 2023

The metabolism of bacteria under the microscope: new method reveals host-microbe interactions

Researchers at Kiel University developed a new method to study bacteria using microscopy and metabolomics, revealing insights into chemical communication between microbes and their hosts. The method allows for the simultaneous identification of individual bacteria and analysis of metabolites without laboratory cultivation.

SourceKiel University·JournalNature Protocols·TypeExperimental study·DateNov 8, 2023

A comparative analysis of two SARS-CoV-2 vaccines: Insights from Korea University College of Medicine

A recent study published in eClinical Medicine found that the GB510/AS03 vaccine elicited a stronger antibody immune response against the ancestral SARS-CoV-2 strain compared to ChAdOx1-S. The vaccine demonstrated robust safety and efficacy, with no significant safety concerns identified.

SourceKorea University College of Medicine·JournalEClinicalMedicine·TypeRandomized controlled/clinical trial·DateNov 8, 2023

1 in 25 carries a genotype that is associated with a shortened lifespan

A recent study published in the New England Journal of Medicine found that 4% of Icelanders carry an actionable genotype associated with increased risk of cardiovascular, cancer, and metabolic diseases. These genotypes can lead to a three-year shorter median survival for carriers, particularly those with cancer-predisposing variants.

SourcedeCODE genetics·JournalNew England Journal of Medicine·TypeData/statistical analysis·DateNov 8, 2023

Three-dimensional label-free morphology of CD8+ T cells as a sepsis biomarker

Researchers developed an AI model analyzing 3D label-free changes in immune cell structure during healthy conditions, sepsis diagnosis, and recovery. Significant morphological changes were identified, suggesting CD8+ T-cell structures as a valuable complement to traditional diagnostic tools.

Children's dental health significantly improved using electric toothbrushes

A new study found that electric toothbrushes significantly reduce plaque and gingivitis in young children aged 3-10. The research showed that electric toothbrushes are more effective than manual toothbrushes in reducing these dental issues, with whole mouth plaque reduction increasing by up to 55.7% in younger children.

SourceThe Hebrew University of Jerusalem·JournalInternational Journal of Paediatric Dentistry·TypeRandomized controlled/clinical trial·DateNov 8, 2023

Does cannabis use affect empathy?

Regular cannabis users show a greater understanding of others' emotions, while their brains exhibit stronger connections between regions related to emotional sensing. This study suggests potential therapeutic applications for conditions involving social interaction deficits.

SourceWiley·JournalJournal of Neuroscience Research·DateNov 8, 2023

21st century Total Wars will enlist technologies in ways we don’t yet understand, writes Jordan Richard Schoenherr

The Ukraine War is a turning point in modern warfare, as new technologies like AI, drones, and cyberweapons are being used to devastating effect. Researchers like Jordan Richard Schoenherr warn that our understanding of warfare is outdated, and we need to rethink the role of sociotechnical systems in strategic thinking.

SourceConcordia University·JournalIEEE Technology and Society Magazine·TypeCommentary/editorial·DateNov 8, 2023

Systemic sclerosis-associated interstitial lung disease focus of latest clinical practice guideline

The new American Thoracic Society Clinical Practice Guideline provides evidence-based recommendations for treating patients with systemic sclerosis-associated interstitial lung disease (SSc-ILD). The guideline recommends using specific immune modulating and antifibrotic medications, such as mycophenolate, cyclophosphamide, nintedanib, ...

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·TypeSystematic review·DateNov 8, 2023

AI can map giant icebergs from satellite images 10,000 times faster than humans

Scientists have developed an AI system that accurately maps the surface area and outline of giant icebergs in one-hundredth of a second. This technology surpasses manual interpretation methods, which can take several minutes to delineate an iceberg's outline, and offers insights into their impact on the polar environment.

SourceUniversity of Leeds·JournalThe Cryosphere·TypeData/statistical analysis·DateNov 8, 2023

Temperature increase triggers the viral infection

A study by Lund University researchers mapped the effects of temperature on a virus particle's genetic material, revealing its rapid injection into cells at elevated temperatures. The findings suggest that higher body temperature may increase the risk of infection spread.

SourceLund University·JournalProceedings of the National Academy of Sciences·DateNov 8, 2023

Infection with common cat-borne parasite associated with frailty in older adults

A new study suggests that infection with the common cat-borne parasite Toxoplasma gondii may contribute to frailty in older adults. Among those infected, individuals with higher 'serointensity' or antibody levels to the parasite were more likely to be frail, highlighting a potential link between latent infection and inflammation.

SourceUniversity of Colorado at Boulder·JournalJournal of Gerontology·TypeData/statistical analysis·DateNov 7, 2023

Study supports use of reduced-dose of direct oral anticoagulants for many older adults with two or more chronic medical conditions

A nationwide study found a higher rate of bleeding with standard versus reduced-dose direct oral anticoagulants (DOACs) in older nursing home residents. Reduced-dose DOACs are recommended for many older adults with multiple chronic medical conditions.

SourceHebrew SeniorLife Hinda and Arthur Marcus Institute for Aging Research·JournalJournal of the American Heart Association·DateNov 7, 2023

Hundreds of clinics may be guilty of false or misleading claims in ketamine advertising

Researchers at CU Anschutz Medical Campus and Johns Hopkins University found that hundreds of ketamine clinics make false or misleading statements about their treatments. The study highlights the need for accurate and balanced information about potential risks and benefits of these therapies, especially given the high financial costs i...

SourceUniversity of Colorado Anschutz Medical Campus·JournalJAMA Network Open·DateNov 7, 2023