Most Alzheimer's cases linked to variants in a single gene
Potentially more than 90% of Alzheimer's disease cases would not occur without the contribution of a single gene (APOE), according to a new analysis led by UCL researchers.
Jan 9, 2026
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'Motivation brake' may explain why it's so hard to get started on an unpleasant task
Most of us know the feeling: maybe it is making a difficult phone call, starting a report you fear will be criticized, or preparing a presentation that's stressful just to think about. You understand what needs to be done, ...
Jan 9, 2026
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How your brain keeps time: Consistent probability calculations help you react rapidly
Humans respond to environments that change at many different speeds. A video game player, for example, reacts to on-screen events unfolding within hundreds of milliseconds or over several seconds. A boxer anticipates an opponent's ...
Jan 9, 2026
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Control valve discovered in gut's plumbing system may hold answers to constipation and diarrhea
Although constipation and diarrhea may seem like opposite problems, they both hinge on the same underlying issue: how much fluid moves into the gut. These common issues affect millions of people in the U.S. each year, yet ...
Jan 9, 2026
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Mapping metastasis—how nutrient availability shapes breast cancer's spread
Breast cancer can spread—or metastasize—to many different parts of the body, but it's not well understood why tumors grow better in some organs than others.
Jan 9, 2026
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SARS-CoV-2 is on the decline in animals, researchers find
During the first few years of the COVID-19 pandemic, the virus SARS-CoV-2 was detected in an increasing number of non-human animal species. This included many wild animal species as well as domestic animals such as dogs and ...
Jan 9, 2026
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Hormone estradiol shapes women's brain responses to threat after trauma, study finds
Women are more than twice as likely as men to develop stress-related conditions such as posttraumatic stress disorder (PTSD), but the biological mechanisms underlying that risk have remained poorly understood. New research ...
Jan 9, 2026
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Improving sleep isn't enough: Daytime function as a key to assessing insomnia treatments
About one in nine adults suffer from chronic insomnia and its residual effects like drowsiness, cognitive issues, and irritability, as well as increased health risks like diabetes and heart risks if left untreated. While ...
Jan 9, 2026
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Origin cells for common malignant brain tumor in young adults uncovered
IDH-mutant glioma, caused by abnormalities in a specific gene (IDH), is the most common malignant brain tumor among young adults under the age of 50. It is a refractory brain cancer that is difficult to treat due to its high ...
Jan 9, 2026
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Genetic study uncovers unknown causes of blindness
Researchers from Radboud University Medical Center and University of Basel have discovered new genetic causes of inherited blindness. Their study, published in Nature Genetics, shows that changes in specific pieces of DNA, ...
Jan 9, 2026
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