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Studies test how early in life to peek inside DNA

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WASHINGTON (AP) — Little Amelia Sloan became a pioneer shortly after her birth. The healthy baby is part of a large research project outside the nation's capital that is decoding the DNA of hundreds of infants. New parents in a few other cities soon can start signing up for smaller studies to explore what's called genome sequencing — fully mapping someone's genes to look for health risks —...

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