1. Water

Drink 8 to 12 cups of water daily.

2. Dark green vegetables

Eat dark green vegetables at least three to four times a week. Good options include broccoli, peppers, brussel sprouts and leafy greens like kale and spinach.

3. Whole grains

Eat whole grains sat least two or three times daily. Look for whole wheat flour, rye, oatmeal, barley, amaranth, quinoa or a multigrain. A good source of fiber has 3 to 4 grams of fiber per serving. A great source has 5 or more grams of fiber per serving.

4. Beans and lentils

Try to eat a bean-based meal at least once a week. Try to add legumes, including beans and lentils, to soups, stews, casseroles, salads and dips or eat them plain.

5. Fish

Try to eat two to three serving of fish a week. A serving consists of 3 to 4 ounces of cooked fish. Good choices are salmon, trout, herring, bluefish, sardines and tuna.