Many of us have experienced the pitfalls of a “one-size-fits” all approach to medicine, where physicians prescribe treatment for the “average patient” instead of the one sitting in front of them. By not accounting for the variability in genes, environment, and lifestyle that are often so closely tied to health and illness, treatments end up falling short and sometimes do more harm than good. Fortunately, the “precision medicine” movement, which takes into account the patient’s unique characteristics when prescribing treatment and prevention strategies, has gained traction in recent years.