The brain's immune system has long been thought to exist independently from the rest of the body, complete with its own specialized immune cells and a blood-brain barrier that limits what can travel into the brain.
Aug 6, 2026
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About 2 meters (6.6 feet) of genetic material must fit into the nucleus of each of most of our trillions of cells, coiling and winding to form what looks like a tangled mess. But when genes are used, how they are used and ...
Aug 6, 2026
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Coronary artery disease, which is caused by plaque buildup in the arteries that supply blood to the heart, can appear stable for long periods without causing any symptoms. But the disease can become unstable at any time and ...
Aug 12, 2026
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Every day, billions of cells in our body die and are removed as part of normal tissue maintenance. This continuous cleanup process is essential for keeping the immune system in balance and preventing harmful immune reactions ...
Aug 11, 2026
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Immunosuppressive medications help prevent organ rejection following transplantation, yet some patients still experience rejection despite receiving adequate treatment. New research from Yale, published in the Journal of ...
Aug 11, 2026
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The brain's immune cells are increasingly recognized as key players in Alzheimer's disease, but exactly how they change as the disease develops has remained unclear. A new study published in Nature Genetics provides the most ...
Aug 11, 2026
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HIV (human immunodeficiency virus) is a virus that attacks the body's immune system and remains a major global health challenge because of persistent viral reservoirs, despite effective treatments. Key factors include around ...
Aug 10, 2026
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A team led by researchers from the German Cancer Research Center (DKFZ), the HI-STEM Stem Cell Institute, and Medical Clinic V at Heidelberg University Hospital (UKHD) has characterized T cells in the bone marrow of patients ...
Aug 10, 2026
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Familial Mediterranean fever (FMF) is a hereditary autoinflammatory disease in which the body's own immune system overreacts to minimal or inappropriate stimuli, producing recurrent attacks of fever and painful inflammation. ...
Aug 7, 2026
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The human body experiences allergic reactions when the immune system mistakenly overreacts to harmless substances, known as allergens, such as pollen, dust or certain foods. While this often causes mild symptoms such as sneezing ...
Aug 6, 2026
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