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.
6. This root vegetable has dozens of anti-cancer nutrients like vitamin A, C and manganese. They're also a good source of fiber and iron, so not only do they give you energy, they can also help regulate your digestive system. How to eat them: Sweet Potato Soup.