Researchers at UC San Francisco have discovered a mechanism that could explain how exercise improves cognition by shoring up the brain's protective barrier. With age, the network of blood vessels—called the blood–brain ...
Feb 18, 2026
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When HHMI Investigator Amita Sehgal started studying sleep 25 years ago, the topic elicited a yawn from most biologists. "In the year 2000, if I had suggested to my department that we hire people working on sleep, they would ...
Feb 18, 2026
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A new multinational study from the INTERCOVID Consortium, including Ann & Robert H. Lurie Children's Hospital of Chicago, has found that COVID-19 vaccination during pregnancy, particularly when combined with a booster dose, ...
Feb 18, 2026
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Traumatic injury is the third leading cause of death in the state of Texas, surpassing strokes, Alzheimer's disease and diabetes, according to the Centers for Disease Control and Prevention. A massive number of these deaths ...
Feb 18, 2026
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More than a century ago, Pavlov trained his dog to associate the sound of a bell with food. Ever since, scientists have assumed the dog learned this through repetition. The more times the dog heard the bell and then got fed, ...
Feb 18, 2026
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For most people, the intense ache that follows the death of a loved one eventually softens, and daily life resumes. But for some, the pain does not ease with time—a condition known as prolonged grief disorder (PGD). In ...
Feb 18, 2026
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In a new study from Karolinska Institutet, published in Nature Neuroscience, researchers have identified the neurogenic progenitor that gives rise to dopaminergic neurons, the primary neurons affected in Parkinson's disease. ...
Feb 18, 2026
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Chikungunya virus, a debilitating tropical disease caused by infected mosquito bites, poses a greater health threat in Europe than previously thought because it can be spread when air temperatures are as low as 13°C. Researchers ...
Feb 18, 2026
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Extreme endurance running damages red blood cells in ways that may affect their ability to function properly, according to a recent study. Although the duration and long-term implications of the damage are unclear, the study ...
Feb 18, 2026
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A team led by Northwestern University and Shirley Ryan AbilityLab scientists have developed a new technology that can eavesdrop on the hidden electrical dialogues unfolding inside miniature, lab-grown human brain-like tissues. ...
Feb 18, 2026
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