Sodium, Renal & Hypertension: This module examines the physiological effects of high-sodium diets and their prevalence in American culture, while providing a more in-depth overview of the DASH diet, including studies examining its efficacy in reducing the need for medication in hypertensive subjects. In the kitchen, the purpose of salt is examined, and cooking principles of flavor building and balancing without added sodium are practiced while making reduced-sodium dinner options.