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Cell-Free RNA "Fingerprint" Forms a Biomarker of Chronic Fatigue Syndrome

Cornell researchers developed machine-learning models that can sift through cell-free RNA and identify key biomarkers for chronic fatigue syndrome.
Close-up of an anatomical brain model showing internal structures related to the blood-brain barrier.
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Aging Weakens Blood-Brain Barrier Through N-Cadherin Loss

University of Illinois Chicago researchers have uncovered how aging disrupts the blood-brain barrier, contributing to early memory decline. The team found that reduced N-cadherin signaling destabilizes occludin.
Neon illustration of gut and brain connected by arrows representing the gut-brain communication axis.
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Stomach’s Electrical Waves Could Offer Mental Health Biomarker

Aarhus University researchers found that unusually strong synchronization between brain activity and the stomach’s slow electrical waves is associated with greater anxiety, depression and stress.
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Male Researchers Retract More Papers Than Their Female Peers

A new global study reveals that male researchers have higher paper retraction rates than their female peers. We spoke to the lead author to find out why this could be the case.
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Exercise May Slow or Reverse Epigenetic Aging

A research perspective links structured exercise and high fitness levels to slower epigenetic aging, measured via DNA methylation changes. Evidence from human and animal studies suggests aerobic and strength training can reduce biological age markers
Person wearing a face mask holding a wooden block engraved with the words "LONG COVID."
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First Specific Biomarker for Long COVID Shows Promise

Researchers detected SARS-CoV-2 protein fragments in extracellular vesicles from long COVID patients, suggesting a potential blood-based biomarker. The fragments, absent in pre-pandemic samples, may indicate lingering viral reservoirs.
Two people's hands create a heart shape in front of a sunset, symbolizing connection and love.
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The "Love Hormone" Is Also the "Friendship Hormone"

A new study in voles shows that the so-called love hormone, oxytocin, is also critical for the formation and maintenance of friendships.
A researchers wearing blue gloves places blood test vials into a rack.
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Strategy Reveals Hidden Blood Proteins Linked to Health and Disease

A new strategy identified hundreds of less abundant proteins that bind with a blood protein receptor to influence its roles in our health.
A pill bottle and some omega-3 pills, next to a small plate of salmon slices.
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Computational Method Enables Comprehensive Identification of Omega Fatty Acids

Omega-6, -7, -9, and -10 fatty acids play important roles in the metabolism of fats. A new computational technique is helping scientists detect deviations in the omega position of these fatty acids, which could signal enzyme malfunctions.
Digital illustration of a human brain with glowing neural network connections on a purple background.
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Early Brain Wiring May Predict ADHD Risk in Children

A Simon Fraser University study links early brain wiring to attention skills in children aged 4–7, a key factor in ADHD. Using MRI and graph theory, researchers found better focus and flexibility in kids with well-organized brain networks.
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