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4 articles from Guardian Unlimited Science

Long Covid: doctors find ‘antibody signature’ for patients most at risk

Low levels of certain antibodies found to be more common in those who go on to develop long CovidCoronavirus – latest updatesSee all our coronavirus coverageDoctors have discovered an “antibody signature” that can help identify patients most at risk of developing long Covid, a condition where debilitating symptoms of the disease can persist for many months.Researchers at University hospital...

‘Unproven and unethical’: experts warn against genetic embryo tests

Risk analysis tests for IVF embryos are being marketed in US and likely to become more widely available Experts have warned against the “unproven” and “unethical” use of genetic tests to predict the risk of complex diseases in embryos created through IVF.Though not currently available in the UK, such tests are being marketed in the US and their availability is likely to increase as the...

How the first pig-to-human heart transplant was done

Earlier this month, in a medical first, surgeons from the University of Maryland transplanted a genetically altered pig heart into a living person. Doctors believed it was their only chance to save the life of David Bennett, a 57-year-old patient who was considered too ill for a human organ replacement. With hundreds of thousands of people worldwide in need of new organs, are animals set to be the...