1 Colitis: Inflammation of the colon. Inflammatory bowel disease or infections are the most common causes.  Diverticulosis: Small weak areas in the colon's muscular wall allow the colon's lining to protrude through, forming tiny pouches called diverticuli.
Dark green leafy vegetables are great sources of nutrition. Salad greens, kale and spinach are rich in vitamins A, C, E and K, and broccoli, bok choy and mustard are also rich in many of the B-vitamins.he vitamin K contents of dark green leafy vegetables provide a number of health benefits including: protecting bones from osteoporosis and helping to prevent against inflammatory diseases. Because of their high content of antioxidants, green leafy vegetables may be one of the best cancer-preventing foods.
Vegetable Nutrition Chart. As you select vegetables to cook and eat, consider the nutrients and minerals in your common vegetables 1  : Green beans are a good source of vitamin C, folic acid, iron, and potassium. 2  Dried beans provide protein, B vitamins, folic acid, iron, magnesium, and potassium. Leeks are a good source of fiber, iron, and vitamins A and C, and they contain the cancer-fighting phytochemical diallyl sulfide. 2  Okra provides vitamin C and the B vitamins, magnesium, lutein, and potassium. 3  Peas pack plenty of protein, B vitamins, vitamins C and A, manganese, iron, potassium, and lutein.