Variability in effectiveness and side effects of certain medical interventions among patients is well accepted. Indeed most doctors would agree that a “cookie-cutter approach” to medicine is not best practice and a more concrete approach that offers some predictability about which patients are more or less likely to benefit from an intervention is favored. Precision medicine offers such an approach. Briefly precision medicine involves factoring in individual variability in genes, environment and lifestyle into the decisions that guide the prevention, diagnosis, and treatment of disease (1). In recent times, the precision medicine approach has gained tremendous support and scientific validity since compelling evidence has shown that targeting
