MeSH tree: A11.284.835.626
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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Diabetic foot ulcers are slow-healing and increase the risk of infections and amputation. Researchers at Karolinska Institutet have identified a circular RNA in mitochondria, circMTRNR2, that plays an important role in the ...
Feb 12, 2026
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Some of us remember having more energy in our 20s. We could work late, sleep badly, have a night out, recover quickly and still feel capable the next day. By our 40s, that ease has often gone. Fatigue feels harder to shake. ...
Feb 9, 2026
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When our body fights an infection, the immune system must quickly activate defenses and trigger a beneficial inflammatory response. But it is just as important to resolve that inflammation and return to homeostasis. Macrophages ...
Jan 28, 2026
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A Dartmouth study published in Nature Communications reveals that immune cells in the brain use a surprising two-step process to power their search-and-destroy missions. When immune cells rush to injury sites in the brain, ...
Jan 26, 2026
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Research led by Lancaster University has discovered that a class of antibiotics—fluoroquinolones—can directly alter the potential bacterial killing ability of one of our immune cells called the macrophage.
Jan 20, 2026
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About 1 million Americans suffer from Parkinson's disease, with around 90,000 new cases diagnosed each year, according to the Parkinson's Foundation. The chronic, degenerative brain disorder destroys dopamine-producing cells ...
Jan 20, 2026
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Supercharging immune cells could provide an effective way to tackle cancer, according to new research by scientists in Scotland.
Jan 12, 2026
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A stressful year leads to anxiety. Lasting isolation gives way to depression. An old trauma nags until it becomes paralyzing. Psychological and social experiences shape the brain, potentially leading to mental health issues. ...
Dec 19, 2025
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When killer T cells of our immune system divide, they normally undergo asymmetric cell division (ACD): Each daughter cell inherits different cellular components, which drive the cells toward divergent fates—one cell becomes ...
Dec 19, 2025
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