Collaborative groups and cooperative learning refer to a variety of structured classroom management techniques and grading systems developed and studied by Aronson, Johnson & Johnson, Kagan, Slavin, and others since the early 1970s.
But within the realm of your food choices, including red beets and their green tops, Yukon gold and sweet potatoes, avocados, oats, and cod liver oil in your diet are simple and concrete steps that you can take right away to improve the health of your digestive system.
Do your immune system a favor, and pack some more fruits and vegetables on your plate. They're loaded with nutrients, called antioxidants, that are good for you. Add more fruits and vegetables of any kind to your diet.It'll help your health. Some foods are higher in antioxidants than others, though.The three major antioxidant vitamins are beta-carotene, vitamin C, and vitamin E.itamin E: broccoli, carrots, chard, mustard and turnip greens, mangoes, nuts, papaya, pumpkin, red peppers, spinach, and sunflower seeds. These foods are also rich in antioxidants: 1  Prunes. 2  Apples.