Food items are the various substances that people consume to provide nourishment and energy. They can be categorized into different groups, such as fruits, vegetables, grains, proteins, and dairy. Each group offers unique nutrients essential for maintaining health and supporting bodily functions. For example, fruits are rich in vitamins, while grains provide carbohydrates for energy. Food items can be prepared and consumed in numerous ways, including cooking, baking, and raw consumption. Common examples include bread, chicken, and salad. The way food is prepared can affect its taste, texture, and nutritional value, making cooking an important aspect of enjoying and maximizing the benefits of food.