Juices are liquid extracts from fruits, vegetables, or herbs, offering hydration, essential nutrients, and antioxidants. They come in various types, including fresh, cold-pressed, pasteurized, and fortified. Popular options like orange, apple, and pomegranate juice provide health benefits such as immune support, heart health, and improved digestion. When choosing juices, consider sugar content, fiber, and additives for the best nutritional value.