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Human performance, public health, biology, and the science of living well.

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Scientists trigger sleep’s restorative power inside an awake brain

Researchers supported by the National Institutes of Health have triggered sleep’s restorative effects in selected parts of the awake mouse brain. The animal study, published in Nature Neuroscience, suggests that carefully timed sleep-like activity can help recalibrate neural connections and protect memory after sleep loss. The work offers a rare look at what sleep may…

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A New Tooth-Regrowing Drug Targets the Protein That Keeps Teeth From Forming

One protein may stand between a dormant tooth-forming program and a new route for treating missing teeth. A 2024 study in the Journal of Oral Biosciences describes an antibody drug designed to treat congenital tooth agenesis by targeting USAG-1, a molecule that helps restrain tooth development. For children born without six or more permanent teeth,…

Medical doctor holding syringe with vaccine for coronavirus disease - Focus on right hand glove

FDA Advisers Back First mRNA Flu Vaccine for Older Adults

Federal vaccine advisers have recommended Moderna’s MFLUSIVA review, moving the first mRNA influenza vaccine closer to possible U.S. approval for adults 50 and older before the coming winter flu season. The vote came from the FDA’s independent vaccine advisory panel, which reviewed safety and effectiveness data for MFLUSIVA, an influenza vaccine made by Moderna. The…

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Brain Scans Reveal Two Biological Subtypes of Autism

Researchers at the Istituto Italiano di Tecnologia and the Child Mind Institute have identified at least two biological subtypes of autism by combining brain scans from people with autism with data from mouse models of autism-related brain changes. The findings, described in an announcement about a Nature Neuroscience study, suggest that different patterns of brain…