Leafy greens including kale, spinach, arugula, and chard are the undeniable superstars of the food world. Low in calories, yet high in fiber, vitamins, and phytonutrients, greens are incredible for your health in more ways than you would even suspect. Greens have the power to make you look and feel younger, and can even support healthy aging. I guarantee once you start eating them on a more regular basis, you'll never look back!