people adjust their diets in today's food is fuel cnn health reporter jacqueline howard highlights which foods should be on our plate for each decade. >> reporter: a balanced diet is important at any age, but as we age it can help to be more mindful of including certain nutrients in your diet. by your late teens, early 20s, you have up to 90% of peak bone mass and calcium can keep your bones healthy. good scores of calcium are low fat yogurt, kale and broccoli. in your 30s and 40s start thinking about adding more fiber into your diet. soluble fiber helps regulate cholesterol and blood sugar, found in avocados and sweet potatoes. insoluble fiber regulates your bowl movements found in whole grains, wheat bran, cauliflower