A person’s diet is made up of the food they eat. Nutrition is the way that food nourishes their bodies.  Good nutrition means that your body is getting all the nutrients, vitamins and minerals it needs to work at its best level.  Eating a healthy diet is your main way to get good nutrition.
Most people know that a balance of good nutrition and physical activity can help them reach and maintain a healthy weight. But the benefits of good nutrition go beyond weight.  It can improve cardiovascular and other body system functions, mental well-being, cognitive performance and wound healing or recovery from illness or injury, as well as reduce the risk for disease.