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What’s behind worrying RSV surge in US children’s hospitals?

Children’s hospitals in parts of the US are seeing a surge in a common respiratory illness that can cause severe breathing problems for babies. RSV cases fell dramatically two years ago as the pandemic shut down schools, day cares and businesses. With restrictions easing in the summer of 2021, doctors saw an alarming increase in …

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Scientists grow human brain cells in rats to study diseases

Scientists have transplanted human brain cells into the brains of baby rats, where the cells grew and formed connections. It’s part of an effort to better study human brain development and diseases affecting this most complex of organs, which makes us who we are but has long been shrouded in mystery. “Many disorders such as …

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