Although older adults still need plenty of fruits and vegetables, whole grains and fiber, they need to add or subtract a few things from the diet they followed earlier in life.

It is important to control the portion size of even nutrient-rich foods to avoid consuming too many calories. Most people need fewer calories as they grow older and their activity level decreases.

Some weight gain is unavoidable, because as the body ages, body fat increases as lean muscle mass and bone mass decrease. Body weight increases until you reach age 60, when it begins to decline.