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Psychology & Psychiatry
Our brains divide the day into chapters: Psychology research offers details on how
The moment a person steps off the street and into a restaurant—to take just one example—the brain mentally starts a new "chapter" of the day, a change that causes a big shift in brain activity. Shifts like this happen ...
15 minutes ago
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Ophthalmology
Stem cell transplants repair macular holes in primate study
Human stem cell transplants successfully repaired macular holes in a monkey model, researchers report October 3 in the journal Stem Cell Reports. After transplantation, the macular holes were closed by continuous filling ...
15 minutes ago
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Medical research news
New insights into diabetes-related vision problems to inform treatment and prevention
A study published in Proceedings of the National Academy of Sciences details the role of the protein Pentraxin 3 (PTX3) in diabetic retinopathy, a leading cause of blindness and visual impairment.
11 minutes ago
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Key mechanisms in asymptomatic Alzheimer's disease brains offer potential protection against cognitive decline
Researchers at Indiana University School of Medicine are examining the brains of individuals with asymptomatic Alzheimer's disease who, despite having amyloid plaque and tau buildup—the primary indicators of Alzheimer's—did ...
1 hour ago
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Study identifies potential novel drug to treat tuberculosis
A new study published in Microbiology Spectrum demonstrates that a novel semi-synthetic compound can be derived from natural compounds to produce potent activity against Mycobacterium tuberculosis, including multi-drug resistant ...
2 hours ago
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Promising Alzheimer's drug candidate prevents buildup of tau proteins in lab and fruit fly studies
An international team of researchers led by Lancaster University has made a promising breakthrough in the development of drugs to treat Alzheimer's Disease. For the first time, scientists have developed a drug that works ...
4 hours ago
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Tuft cells act as regenerative stem cells in the human intestine, study finds
Intestinal tuft cells divide to make new cells when immunological cues trigger them. Additionally, in contrast to progenitor- and stem cells, tuft cells can survive severe injury such as irradiation damage, and contribute ...
6 hours ago
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Researchers develop new risk scoring system to account for role of chronic illness in post-surgery mortality
A UCLA research team has created the Comorbid Operative Risk Evaluation (CORE) score to better account for the role chronic illness plays in a patient's risk of mortality after an operation, allowing surgeons to adjust to ...
2 hours ago
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Banning tobacco sales among young people could prevent 1.2 million lung cancer deaths, study suggests
Creating a generation of people who never smoke could prevent 1.2 million deaths from lung cancer globally, according to a study led by researchers from the University of Santiago de Compostela, the International Agency for ...
16 hours ago
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Study reveals molecular mechanism of genetic variant that causes mirror movement disorder
A team of Canadian and American scientists has made a promising breakthrough in understanding the origins of a mysterious neurological disorder known as mirror movements.
19 hours ago
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Brain molecule that makes neurons less selective could deepen understanding of human cognition
Neuroscientists from Johns Hopkins Medicine say they have determined how a brain cell surface molecule shapes the way certain neurons behave.
20 hours ago
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Synthetic peptide acts as molecular shield to prevent SARS-CoV-2 from infecting cells
A peptide synthesized by researchers at the University of São Paulo (USP) in Brazil protected human lung cells against infection by SARS-CoV-2 in the laboratory and eliminated the inflammation caused by the virus in mice ...
20 hours ago
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Study reveals key role of TRIO gene in epileptic encephalopathies
What are the molecular and cellular mechanisms by which some babies develop epileptic encephalopathies and autism spectrum disorder? That's what researchers in Canada and France set out to uncover—and they think they've ...
19 hours ago
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Viruses found hiding in lungs' immune cells long after initial illness
Doctors have long known that children who become seriously ill with certain respiratory viruses such as respiratory syncytial virus (RSV) are at elevated risk of developing asthma later in life. What they haven't known is ...
22 hours ago
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Satisfying friendships could be key for young single adults' happiness, research suggests
A new analysis assesses the heterogeneity of factors linked with happiness among single Americans who are just entering adulthood, highlighting a particularly strong link between happiness and satisfying friendships. Lisa ...
21 hours ago
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Curbing blood cancers by teaching immune cells to kill mutant stem cells
Blood stem cells, which give rise to all of our blood cell types, undergo a quality assurance process after they're born. As the lab of Leonard Zon, MD, director of the Stem Cell Research program at Boston Children's, has ...
23 hours ago
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Researchers discover mechanism by which estrogen can trigger fast neuronal responses
Estrogen, the major female ovarian hormone, can trigger nerve impulses within milliseconds to regulate a variety of physiological processes. At Baylor College of Medicine, Louisiana State University and collaborating institutions, ...
21 hours ago
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Researchers develop insights into KRAS mutations in pancreatic cancers
A common mutation in the KRAS gene is associated with improved overall survival in pancreatic ductal adenocarcinoma (PDAC) compared with other variants, in part because the mutation appears to lead to less invasiveness and ...
21 hours ago
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Dementia diagnostic markers shown to change with time of day
The time of day when blood is taken can affect the results of tests for diagnosing dementia, according to new research led by the University of Surrey. The study has been published in Translational Psychiatry.
22 hours ago
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Reducing sitting by about 40 minutes daily may prevent back pain, research suggests
A new study from the University of Turku in Finland showed that reducing daily sitting prevented back pain from worsening over six months. The result strengthens the current understanding of the link between activity and ...
23 hours ago
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