A heaping bowl of watermelon can feel like a feast yet behave more like a drink. With more than 90 percent water and relatively few calories, it fills the stomach in volume but not in the ways the body uses to measure a real meal.Satiety is not just about stretch receptors in the stomach; it is also about macronutrient signals and hormones such as ghrelin and leptin. Watermelon is high in simple c...More