May 17, 2024 A study has found that repeat vaccination with updated versions of the COVID-19 vaccine promotes the development of antibodies that neutralize a wide range of variants of the virus that causes COVID-19, as well as related ...
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May 17, 2024 A recombinant form of human ADAMTS13 approved for a different condition helped to save the life of a young mother with immune thrombotic thrombocytopenic ...
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May 17, 2024 The sweet-taste receptor might be the first stop in a metabolic surveillance system for sugar. The receptor is also expressed in certain intestinal cells, where it may facilitate glucose absorption and assimilation, as part of this system. A team found that stimulation and inhibition of the sweet receptor helps regulate glucose metabolism in humans and may have implications for managing such ...
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May 17, 2024 A lack of detailed record-keeping in clinics and emergency departments may be getting in the way of reducing the inappropriate use of antibiotics, a pair of new studies suggests. In one of the studies, about 10% of children and 35% of adults who got an antibiotic prescription during an office visit had no specific reason for the antibiotic in their ...
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May 16, 2024 Abnormalities in the shape of the sclera, the white of the eye, can cause various complications and lead to blindness. However, techniques to observe the sclera in detail, such as its fibrous structure, are lacking. Now, researchers have used polarization-sensitive optical computed tomography to accurately visualize the density and orientation of ...
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May 17, 2024 The brain modulates visual signals according to internal states, as a new study by neuroscientists ...
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May 16, 2024 Large language model-based chatbots can't effectively recognize users' motivation when they are hesitant about making healthy behavior changes, but they can support those who are committed to take action, say ...
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May 16, 2024 Important brain structures that are key for signaling in the brain are narrower and less dense in females, and more likely to be damaged by brain injuries, such as concussion. Long-term cognitive deficits occur when the signals between brain structures weaken due to the injury. The structural differences in male and female brains might explain why ...
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May 13, 2024 Chatbots share limited information, reinforce ideologies, and, as a result, can lead to more polarized thinking when it comes to controversial issues, according to new research. The study challenges perceptions that chatbots are impartial and provides insight into how using conversational search systems could widen the public divide on hot-button issues and leave people vulnerable to ...
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May 16, 2024 Many people are concerned about residues of chemicals, contaminants or microplastics in their food. However, it is less well known that many foods also contain toxins of completely natural origin. These are often chemical compounds that plants use to ward off predators such as insects or microorganisms. These substances are found in beans and potatoes, for example, and can pose potential health ...
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May 15, 2024 Nutrient-rich blueberries -- a common breakfast smoothie ingredient -- can also create wine. But does the heat and time required to ferment this mighty berry strip out any of those potential health-promoting compounds? Researchers examine fermentation's effects on the bioactive compounds and antioxidant activity in blueberry wine. The results suggest blueberry wine maintains some of the fruit's ...
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May 15, 2024 Americans have gotten used to seeing their doctors and other health care providers using telehealth video visits in the past four years. But a new study reveals that what a doctor has behind them during a telehealth visit can make a difference in how the patient feels about them and their ...
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