 A healthy diet includes everything to meet a person's food energy and nutritional needs.People become at risk for not having a healthy diet when they are inactive or bedbound; living alone; sick; having difficulty eating; affected by medication; depressed; having difficulty hearing, seeing, or tasting; unable to get food they enjoy; or are having communication problems.A poor diet contributes to many health problems, including increased risk of infection, poor recovery time from surgery or wound healing, skin problems, difficulty in activities of daily living, fatigue, and irritability.