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US life expectancy dropped for the second year in a row, according to a new study that also suggested low vaccination rates and reduced pandemic precautions may have driven the continued decline. Over the two years of the pandemic, US life expectancy saw a net loss of 2.26 years bringing the estimated life span in 2021 to 76.6 years – down from 76.99 in 2020 and 78.86 in 2019. The study was published on the preprint server medRxiv, which means it has not been peer-reviewed.