Milo Lorentzen is 5 years old, and is one of only three people in the world known to have a mutation in a gene called KDM1A. Courtesy of Karen Park hide caption

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When Erika Stallings was 22, she found out that she might have a genetic mutation that greatly increased her risk of cancer. Misha Friedman for NPR hide caption

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More People Seek Genetic Testing, But There Aren't Enough Counselors

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Ultrasound is often used for prenatal screening. It's just one of several prenatal screenings available to pregnant women. iStockphoto hide caption

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DNA Blood Test Gives Women A New Option For Prenatal Screening

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The CRISPR enzyme (green and red) binds to a stretch of double-stranded DNA (purple and red), preparing to snip out the faulty part. Illustration courtesy of Jennifer Doudna/UC Berkeley hide caption

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A CRISPR Way To Fix Faulty Genes

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Vera Wojtesta was one of 300 babies flagged by New York's newborn screening program as at risk of having life-threatening Krabbe disease. Ben Shutts/Courtesy of the Wojtesta family hide caption

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Screening Newborns For Disease Can Leave Families In Limbo

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Slides containing DNA sit in a bay waiting to be analyzed by a genome sequencing machine. David Paul Morris/Bloomberg via Getty Images hide caption

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It's Legal For Some Insurers To Discriminate Based On Genes

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