Nutrition Food nourishes your mind, body and soul. Connections to mental health. In the last several years, there has been an increasing amount of research connecting a healthy diet to improved mental health. Ideally, we should be eating nutrient-dense foods and fewer processed foods. Self-help tips Enjoy more salads with a variety of coloured vegetables. Eat lean meats. Avoid processed foods. Decrease intake of sugar. Where to seek help Campus Health Centre.