All the cells in an organism have the exact same genetic sequence. What differs across cell types is their epigenetics—meticulously placed chemical tags that influence which genes are expressed in each cell. Mistakes or ...
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Memory T cells are a special type of white blood cell that "remember" past infections and vaccines, helping our bodies to quickly respond if we encounter the same germs again. These cells are found throughout the body: some ...
Nov 22, 2025
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Ulcerative colitis (UC) is one of the most common inflammatory bowel diseases, a lifelong condition that can cause chronic inflammation and ulcers in the lining of the large intestine. This can lead to symptoms such as rectal ...
Researchers at Washington University School of Medicine in St. Louis, along with collaborators at Northwestern University, have developed a noninvasive approach to treat one of the most aggressive and deadly brain cancers. ...
Nov 22, 2025
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An emerging artificial intelligence-powered system developed at Penn Medicine has tripled the speed of fax processing and cut a full week off the new patient intake process—freeing up thousands of staff hours. The system, ...
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The U.S. flu season is starting slowly, and it's unclear if it will be as bad as last winter's, but some health experts are worried as U.S. Centers for Disease Control and Prevention data posted Friday shows a new version ...
Nov 22, 2025
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If the NHS recommended it, would people test their own hearing at home and use self-fitting hearing aids?
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If you're looking on social media for information and experiences of giving birth at home, you'll find widely varied content.
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A new oral GLP-1 medication can help adults with obesity and type 2 diabetes lose more weight and improve their blood sugar levels compared to a placebo, according to findings from the ATTAIN-2 trial led by a UTHealth Houston ...
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Peanut allergy is one of the most common food allergies, affecting between 1% and 2% of people living in the West. And, for many years, their prevalence has been rising.
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