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Study Of Sudden Cardiac Death Exposes Limits Of Genetic Testing

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

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