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Researchers may have found out why older adults are much more likely to be seriously impacted by COVID or the flu. This is mainly due to ageing lung cells, which can trigger excessive immune responses, according to a new study by researchers at the University of California, San Francisco
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The research, published on Thursday in the journal Immunity, points to lung structural cells called fibroblasts as unexpected drivers of what scientists call “inflammaging” – the chronic, low-grade inflammation associated with growing older….