Periodontitis, a form of chronic gum disease that affects nearly half of the U.S. adult population, results when the bacterial community in the mouth becomes unbalanced, leading to inflammation and eventually bone loss. In ...
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Passing one's genes on to the next generation is a mark of evolutionary success. So it makes sense that the body would work to ensure that the genes the next generation inherits are exact replicas of the originals.
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When a virus such as influenza invades our bodies, interferon proteins are among the first immune molecules produced to fight off the attack. Interferon can also play a role in suppressing tumor growth and ...
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(Medical Xpress)—As researchers work on reconfiguring cells to take on new regenerative properties, a new review from Penn Medicine plastic surgeons sheds additional light on the potential power of adipose-derived stem ...
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The disease atherosclerosis involves the build up of fatty tissue within arterial walls, creating unstable structures known as plaques. These plaques grow until they burst, rupturing the wall and causing ...
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(Medical Xpress)—Anyone who has had a pet instinctively knows what several physical and mental health studies have shown: people who have a companion animal have lower levels of stress, anxiety and depression ...
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(Medical Xpress)—We couldn't live without our immune systems, always tuned to detect and eradicate invading pathogens and particles. But sometimes the immune response goes overboard, triggering autoimmune ...
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It's not every day that a new academic discipline is born. But that's exactly what happened in 2010, when the Project on Bioethics, Sexuality and Gender Identity — or "Queer Bioethics," for short—came to li ...
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How does one's experience of an event get translated into a memory that can be accessed months, even years later? A team led by University of Pennsylvania scientists has come closer to answering that question, identifying ...
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The line “talk to your doctor,” which appears in so many medical-related advertisements, is apparently right. An analysis of colorectal cancer (CRC) patients who maintained regular contact with their clinicians ...
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(Medical Xpress) -- The use of present versus the past tense in recalling an experience with binge drinking can positively influence behaviors, an important development in aiding the development of alcohol ...
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Researchers have long been interested in discovering the ways that human brains represent thoughts through a complex interplay of elec-trical signals. Recent improvements in brain recording and statistical methods have given ...
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(Medical Xpress) -- The journal Science is today publishing a paper revealing that highly pathogenic H5N1 influenza, also known as bird flu, can pass from one ferret to another through the air. Publicatio ...
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(Medical Xpress) -- For a woman who is unable to bear children, the pain of infertility extends far into her everyday life and can impact her relationships with family and friends for years.
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By pairing an intimate knowledge of immune-system function with a deep understanding of statistical physics, a cross-disciplinary team at the University of Pennsylvania has arrived at a surprising finding: T cells use a movement ...
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