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How voluntary exercise reshapes tryptophan metabolism through the gut microbiota
Something happens when a rat starts running. Not just the obvious things, the faster heart, the warming muscles, the rhythmic percussion of paws against the wheel. Something quieter. Something that begins in the coiled darkness ...
38 minutes ago
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Mouse brain study reveals why blockbuster weight-loss drugs may work differently in females and males
The drugs have names that sound like small planets: semaglutide, liraglutide, lixisenatide. Collectively, they belong to a class of glucagon-like peptide 1 (GLP-1) analogs that has reshaped the treatment of obesity and diabetes ...
38 minutes ago
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Medical research news
Long-read genome sequencing uncovers new autism gene variants
Researchers at the University of California San Diego have identified new genetic variants associated with autism spectrum disorder (ASD) by using long-read whole genome sequencing (LR-WGS), an emerging approach that reads ...
6 hours ago
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Alternative breast cancer treatment tied to about four times higher mortality, nationwide analysis finds
The alternative medicine industry is expanding rapidly, fueled in large part by the surge of health-related content on social media. This growing trend has become an increasing concern for oncology practitioners and patients, ...
Blood immune 'fingerprint' may help predict serious side effects of new Alzheimer's drug
A team of University of Kentucky researchers has uncovered a surprising clue in the battle against Alzheimer's disease that could help doctors predict, and ultimately prevent, a common side effect of the newest generation ...
8 hours ago
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Deep-frozen brain region restarts electrical activity after thawing
Researchers at Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU) and Uniklinikum Erlangen have succeeded in preserving brain tissue through extreme deep freezing. After thawing, the neurons begin exchanging electrical ...
9 hours ago
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Researcher disputes claim that multilingualism promotes better brain aging
University of Houston professor of psychology Arturo Hernandez is disputing a high-profile study published in the journal Nature Aging claiming that people who live in multilingual countries show healthier brain aging. Though ...
8 hours ago
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Circadian rhythm drives metabolic dysfunction in fat cells, study finds
Northwestern Medicine scientists led by Joseph Bass, MD, Ph.D., the Charles F. Kettering Professor of Endocrinology and Metabolism and director of the Center for Diabetes and Metabolism, have discovered how disruptions in ...
9 hours ago
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Mpox immune test validated during Rwandan outbreak
An antibody test for the infectious disease mpox was successfully developed during the new clade 1b outbreak in Rwanda, the first time that an assay of its kind has been validated within this setting. The test, an IgG ELISA ...
6 hours ago
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Cancer drug reduces early Alzheimer's-like brain hyperconnectivity in lab tests
Neuroscientists at King's College London have pinpointed a mechanism behind the increased neural connectivity observed in the very early stages of Alzheimer's disease. Published in Translational Psychiatry, the study also ...
10 hours ago
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Increased fitness may amplify brain boost following exercise
Increasing our level of physical fitness leads to a bigger release of brain-boosting proteins following one session of exercise, finds a new study led by a UCL researcher. The study, published in Brain Research, took a group ...
6 hours ago
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Why coordination improves after brain circuits mature: Astrocytes may be the missing link
A new study reveals that astrocytes—star-shaped support cells traditionally viewed as passive partners of neurons—play a previously underappreciated role in the maturation of coordinated movement.
11 hours ago
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Sibling study finds birth order neurodevelopmental differences appear within the first year of life
Birth order has long been linked to differences in cognition, with firstborn children often outperforming their later-born siblings. Parental engagement and interaction have been suggested as potential influences on this ...
11 hours ago
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Daily multivitamins may slow biological aging, two-year trial suggests
An analysis led by Mass General Brigham investigators found slower aging in older adults after two years of a daily multivitamin, with greater benefits for those who began the trial with accelerated biological age
13 hours ago
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Hidden blood mutations drive severe inflammatory bowel disease, but a new treatment target is in sight
Indiana University School of Medicine scientists have uncovered new evidence that an age-related blood condition may contribute to inflammatory bowel disease (IBD). Their findings suggest that a new drug strategy targeting ...
6 hours ago
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Why lungs age unevenly: Vulnerable cells may guide new therapies
Aging is associated with increased risk for nearly every lung disease, including acute conditions like pneumonia and chronic diseases like chronic obstructive pulmonary disease, idiopathic pulmonary fibrosis, and lung cancer. ...
11 hours ago
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That difficult person in your life could be aging you 1.5% faster, study finds
Spending time with someone who constantly causes problems may do more than just ruin your mood.
14 hours ago
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'Asian flush' mutation may trigger ferroptosis during heart attacks, study reveals
About 40% of East Asians suffer from alcohol intolerance, known as "Asian Flush Syndrome," caused by an ALDH2 genetic mutation. Beyond facial flushing, this mutation carries serious cardiovascular risks. Carriers experience ...
12 hours ago
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How post-stroke aphasia disrupts fluent speech
A study led by a speech neuroscientist at The University of Texas at Dallas sheds light on how damage from stroke disrupts the brain mechanisms required for fluent speech. The research, published in NeuroImage, could help ...
7 hours ago
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Stay or stray? Why some gut microbes persist after fecal transplants
Scientists have identified why some gut microbes successfully stay in the gut after fecal transplants, while others are much more transient. The King's College London discovery could help make the treatment—which involves ...
7 hours ago
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