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Medical research
Study reveals how aging affects bone cell structure and function
It's no coincidence that our bodies feel a little creakier as we age. The trillions of cells that make up our skeleton age too, and some change in ways that weaken the very structure of our bones.
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Medical research
New study identifies antibodies to enhance whooping cough vaccines
Whooping cough, or pertussis, was once a leading cause of death for children in the U.S. and worldwide before the introduction of vaccines in the 1940s. In the decades since, the bacterial disease was nearly eradicated in ...
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Medical research news
Antiviral chewing gum shows promise in reducing influenza and herpes spread
In today's interconnected world, infectious diseases pose an escalating threat, as demonstrated by the coronavirus pandemic and outbreaks of H1N1, SARS, Ebola, Zika, and H5N1 (bird flu) viruses—all of which have had significant ...
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Scientists discover how nanoparticles of toxic metal used in MRI scans infiltrate human tissue
University of New Mexico researchers studying the health risks posed by gadolinium, a toxic rare earth metal used in MRI scans, have found that oxalic acid, a molecule found in many foods, can generate nanoparticles of the ...
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High numbers of rural patients cross state lines for cancer care
In a new study, researchers from Huntsman Cancer Institute at the University of Utah (the U) found that 7% of Medicare patients cross state borders for cancer care, and rates were nearly double for those who lived in rural ...
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Marriage linked to higher dementia risk in older adults, 18-year study finds
Florida State University College of Medicine and University of Montpellier researchers found that older adults who were divorced or never married had a lower risk of developing dementia over an 18-year period compared to ...
Exposure to antibiotics as a newborn can impair immune response to vaccines, study finds
Immunization programs save millions of lives every year by protecting against preventable diseases. The immune response to vaccines, however, varies significantly between individuals, and the results can be suboptimal in ...
Scientists cast new light on how fasting impacts the immune system
New research from The University of Manchester may reshape our understanding of what happens to the immune system when we fast. The study on mice shows that the brain's hypothalamus controls how the immune system adapts during ...
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How the brain uses context boundaries to guide decision-making in both spatial and abstract environments
The DAM-Decision and Memory group at Universitat Jaume I in Castelló, led by Raphael Kaplan and composed of researchers from Spain, Italy and the United States, has recently published the results of two studies that provide ...
19 hours ago
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Novel genomic screening tool enables precision reverse-engineering of genetic programming in cells
Collaborative research led by investigators at Dana-Farber/Boston Children's Cancer and Blood Disorders Center defines a novel approach to understanding how certain proteins called transcription factors determine which genetic ...
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Serotonin functions as 'prospective code for value' in brain's reward processing system
In our day-to-day lives, we're constantly making a slew of decisions, from immediate matters to prospects on the far horizon. But the evolutionary nuts-and-bolts of how our brains weigh these numerous daily decisions and ...
20 hours ago
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Platform-predicted treatments improve outcomes for platinum-resistant ovarian cancer
Results from a new Phase 3 trial published in the journal npj Precision Oncology found that a cancer stem cell test can accurately choose more effective treatments and lead to improved outcomes for patients with platinum-resistant ...
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Pancreatic cells 'remember' cancer-linked epigenetic marks without mutations, study shows
Johns Hopkins Medicine scientists say they have found a pattern of so-called epigenetic "marks" in a transition state between normal and pancreatic cancer cells in mice, and that the normal cells may keep at least a temporary ...
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Molecular messenger of sight: Scientists investigate protein structure RBP3's role in vision
Scientists have for the first time looked deep into the protein structure that may determine our vision—and discovered that it is much more dynamic than previously thought. RBP3 not only changes its shape depending on its ...
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Immune system's age-related changes mapped with unprecedented detail
Why are older people more susceptible to infections than younger people? Why do vaccinations sometimes have less of an effect on them? In order to better understand the mechanisms of the aging immune system, the RESIST-Senior ...
21 hours ago
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Guinea pigs offer new model for studying early embryonic development
Studying the early development of human embryos is challenging due to ethical constraints and technical difficulties. Therefore, animal models are often used to understand the biological processes that govern embryo development ...
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Sound therapy effectively reduces motion sickness by stimulating inner ear
A research group led by Takumi Kagawa and Masashi Kato at Nagoya University Graduate School of Medicine has discovered that using "a unique sound stimulation technology"—a device that stimulates the inner ear with a specific ...
21 hours ago
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Metabolic modeling reveals aging microbiome produces fewer vital substances
The intestine is home to a complex ecosystem of microorganisms. This so-called gut microbiome plays an important role in health, disease, and aging. Various studies suggest that the microbiome "ages" and drives the host's ...
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Hospital study finds C. diff spreads three times more than thought
One of the most common health-care-associated infections spreads within intensive care units (ICUs) more than three times more than previously thought, new research has found.
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AI screening for opioid use disorder associated with fewer hospital readmissions
An artificial intelligence (AI)-driven screening tool successfully identified hospitalized adults at risk for opioid use disorder and recommended referral to inpatient addiction specialists.
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