> hospitals and insurers are scared to acknowledge the ongoing rate of preventable bad outcomes caused by not accounting for variances in metabolism. Healthcar

> hospitals and insurers are scared to acknowledge the ongoing rate of preventable bad outcomes caused by not accounting for variances in metabolism. Healthcare systems are so aware of and open about warfarin's risks that they have warfarin clinics set up to repeatedly measure patients' prothrombin times so that they can adjust dosing empirically. Further, they also provide nutritional guidance to patients taking warfarin to help them reduce diet-influenced variance in warfarin metabolism.