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What music reveals about our minds

By Ashley Strickland, CNN Music is a powerful tool to access information about ourselves. Two recent studies are offering new insight into how our favorite tunes are linked to memories and our personalities — and how those connections can make lives better. Hearing a favorite, familiar or “throwback” song can instantly transport you to another

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Protection against infection offered by fourth Covid-19 vaccine dose wanes quickly, Israeli study finds

By Jen Christensen, CNN A fourth dose of the Pfizer/BioNTech Covid-19 vaccine seems to offer short-lived protection against infection overall, but protection against severe illness did not wane for at least several weeks, according to a new study. The study, published Tuesday in the New England Journal of Medicine, looked at the health records of

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