Nature Communications
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health9/11 Responders' PTSD Linked to Accelerated Biological Aging
A new study finds that PTSD in World Trade Center first responders is associated with molecular changes linked to accelerated aging and increased chronic disease risk.
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healthMouse Study Reveals Acetylcholine as the Brain's Key to Breaking Habits
Neuroscientists have identified the neurotransmitter acetylcholine as the critical chemical switch that drives behavioral flexibility when expectations fail, according to a new study in mice.
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healthBrain Scans Reveal Neurons Rehearse Social Moves Before You Act
Hebrew University researchers discovered a predictive neural signature in zebrafish brains that fires seconds before they make a social approach, offering clues to human behavior.
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healthGene Trade-Off: Rapid Growth Linked to Higher Cancer Risk in Vertebrates
Hebrew University scientists identify the vgll3 gene as a driver of early growth and late-life cancer in killifish, offering rare proof of antagonistic pleiotropy in vertebrates.
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healthIndigenous Andeans Evolved Better Potato Digestion, Study Finds
A new study shows Indigenous Andeans have more starch-digesting amylase genes, an adaptation to potato domestication.
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healthWeekend Warrior Workout: One Session a Week Sheds Fat Like Three
A University of Hong Kong study shows weekly interval training matches three sessions for weight loss and heart health.
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healthMice Regrow Toes with Protein Cocktail, Hinting at Mammalian Limb Regeneration
A team from Texas A&M University coaxed mice to regenerate amputated toes using two proteins, challenging assumptions about mammalian regeneration.
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healthVisceral Fat Linked to Faster Brain Aging, Study Finds
New research shows visceral fat accelerates brain aging, while glucose control and lifestyle changes can help.