Shared HIV Antibody Maturation Pathways Discovered in Humans and Primates—Opening New Vaccine Routes
New research in Science Translational Medicine reveals that humans and rhesus macaques develop HIV-fighting antibodies through nearly identical biological pathways,…
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New Oral Weight-Loss Pill Outperforms Semaglutide in Major Clinical Trial
A new once-daily oral medication called orforglipron has outperformed oral semaglutide in a major clinical trial, offering superior weight loss…
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Brain Network Fragmentation at Legal Alcohol Limits Predicts Intoxication Severity, fMRI Study Shows
New fMRI research shows that at identical blood alcohol concentrations, individuals experience variable brain network fragmentation that correlates more strongly…
How Your Immune System Works: A Guide to Its Specialized Cells and Functions
Your immune system is an organized network of specialized cells—dendritic cells, T cells, B cells, and NK cells—each with distinct…
Close Contact Alone May Not Drive Influenza Transmission, Controlled Study Suggests
A controlled human challenge–transmission study found that prolonged close contact with influenza-infected individuals did not reliably produce secondary infections, suggesting…
Carbohydrate Ingestion During Endurance Exercise: Meta-Analysis Shows Modest Glycogen Sparing Effect
A meta-analysis of 31 crossover trials reveals that carbohydrate ingestion during prolonged endurance exercise reduces muscle glycogen depletion by approximately…
Caffeine Boosts Strength Through Neural Drive, Not Muscle Growth—New Evidence
A randomized controlled trial shows caffeine enhances strength and power in resistance-trained lifters by increasing neural drive, not muscle growth.…
How the gut absorbs nutrients: a seven-meter journey from mouth to colon
The human gastrointestinal tract divides into five specialized absorption zones, each extracting specific nutrients through distinct biochemical mechanisms. From the…
Post-exercise brain signal may be key to fitness gains, mouse study suggests
Researchers at Jackson Laboratory and University of Pennsylvania identified brain neurons that appear necessary for endurance training to produce fitness…
High-Carbohydrate Breakfast Fails to Boost Glycogen in Well-Trained Cyclists
A new study found that a large carbohydrate breakfast did not increase liver or muscle glycogen in trained cyclists, suggesting…