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.
1 Foods for Good Digestion # 5: Sweet potatoes Sweet potatoes, especially when consumed with their skins on, are a superb food for digestive health. 2  They provide dietary fiber, complex carbohydrates and manganese. 3  Sweet potatoes help in treating peptic ulcers, duodenal ulcers and some other serious bowel ailments.