Ever since the completion of the first hu man genome sequence in 2003, clinicians have anticipated a data-driven transforma tion in healthcare. New troves of molecular and phenotypic interrogation would lead to refined diagnoses, more rational treat ment, and prevention of disease. In 2011, an ad hoc committee at the National Research Council argued for a ‘‘new tax onomy of human diseases’’ based on the emerging field of precision medicine (US National Research Council, 2011). Read more…