DNA Testing for All?

Genetic testing has been widely used for several years to guide treatment strategies, particularly in oncology, where several drugs targeting cancer-causing mutations have been approved by the Food and Drug Administration. But as the cost of whole-genome sequencing falls, the next phase of this push into precision medicine aims to hit a goal of precision health: By incorporating genetic testing into primary care, it might be possible not only to detect diseases and treat them early, but also to fend them off altogether.

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