Health & Fitness

Transfusions of blood plasma donated by people who have already recovered from infection with the pandemic virus may help other patients hospitalized with COVID-19, a new international study shows.

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Researchers discovered that the chance a pathogenic genetic variant may actually cause a disease is relatively low - about 7 percent. They also found that some variants, such as those associated with breast cancer, are linked to a wide range of risks for disease. The results could alter the way the risks associated with these variants are reported, and one day, help guide the way physicians interpret genetic testing results.

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Scientists have developed an artificial intelligence (AI) system that can analyze eye scans taken during a routine visit to an optician or eye clinic and identify patients at a high risk of a heart attack. Doctors have recognized that changes to the tiny blood vessels in the retina are indicators of broader vascular disease, including problems with the heart. In the research, deep learning techniques were used to train an AI system to automatically read retinal scans and identify those people who, over the following year, were likely to have a heart attack.

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The analysis, based on 2016-2019 data survey responses covering nearly 132,000 children ages 3 to 17, examined the complex interplay between common mental health problems among children, social and relational health risks, and protective factors.

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A technique that uses ultrasound images to determine the depth and shape of the hip socket can accurately predict which infants with hip dysplasia will develop normal hip structure and which remain dysplastic, according to a new study. Researchers said statistical shape modeling improves on existing techniques and could spare many infants from unnecessary treatment.

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New laboratory research reveals more than one path toward robust immunity from COVID-19. A new study finds that two forms of immunity -- breakthrough infections following vaccination or natural infection followed by vaccination -- provide roughly equal levels of enhanced immune protection. The research follows an earlier study that described extremely high levels of immune response following breakthrough infections -- so-called 'super immunity.' That study was the first to use multiple live SARS-CoV-2 variants to measure cross-neutralization of blood serum from breakthrough cases.

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Researchers present new findings on the immune response against the coronavirus SARS-CoV-2. Their study is based on investigations of antibodies elicited by infection with the Beta variant of the virus. The researchers conclude that the Beta variant can confer broad immunity to multiple viral strains, which could be beneficial for protection against the currently prevalent Delta and Omicron variants, as well as against future viral variants.

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