When you think of the healthiest veggie in the world, spinach, broccoli, or kale might spring to mind. But the crown goes to an unexpected underdog: watercress. Yes, that peppery little garnish you’ve probably pushed to the side of your plate is actually a nutritional powerhouse.
This Overlooked Leaf Beats Spinach, Broccoli, and Kale as the Healthiest Vegetable
