Mitochondrial diseases can be passed from mothers to their children in DNA. JGI/Tom Grill/Getty Images/Blend Images hide caption

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Which Genes Make You Taller? A Whole Bunch Of Them, It Turns Out

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New Gene-Editing Techniques Hold the Promise Of Altering The Fundamentals Of Life

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The genes in mitochondria, which are the powerhouses in human cells, can cause fatal inherited disease. But replacing the bad genes may cause other health problems. Getty Images/Science Photo Library hide caption

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Getty Images/Science Photo Library

Yes, getting exercise and eating right can significantly cut your risk of developing heart disease, a study finds, even if you inherited genes that predispose you to the illness. Getty Images hide caption

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Virginijus Siksnys' large research team at the Vilnius University Institute of Biotechnology in Lithuania. Arunas Silanskas/Vilnius University Institute of Biotechnology hide caption

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Arunas Silanskas/Vilnius University Institute of Biotechnology

Science Rewards Eureka Moments, Except When It Doesn't

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Simone Biles flies through the air while performing on the balance beam at the Olympics in Rio de Janeiro. Dmitri Lovetsky/AP hide caption

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Dmitri Lovetsky/AP

How A 'Sixth Sense' Helps Simone Biles Fly, And The Rest Of Us Walk

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By testing tumors, researchers hoped to identify women who could avoid chemotherapy without increasing their risk of a cancer recurrence. Voisin/Phanie/Science Source hide caption

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Voisin/Phanie/Science Source

Study Of Breast Cancer Treatment Reveals Paradox Of Precision Medicine

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The condition known as hypertrophic cardiomyopathy, or HCM, is inherited and can be a killer. But some of the genetic mutations once thought linked to the illness are actually harmless, geneticists say. Afton Almaraz/Getty Images hide caption

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Afton Almaraz/Getty Images

Study Of Sudden Cardiac Death Exposes Limits Of Genetic Testing

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Genetically modified mosquitoes are released in Piracicaba, Brazil, in an effort to combat Zika virus. These mosquitoes were modified using conventional techniques. Victor Moriyama/Getty Images hide caption

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New Genetic Engineering Method Called Promising — And Perilous

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Zunika Crenshaw helps her 3-year-old daughter Jhase Crenshaw Bass with an asthma inhaler. Lesley McClurg/KQED hide caption

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Lesley McClurg/KQED

Scientists Seek Genetic Clues To Asthma's Toll On Black Children

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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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Courtesy of Karen Park
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Scientists Say They Hope To Create A Human Genome In The Lab

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The Power Of Genes, And The Line Between Biology And Destiny

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