Food is any substance consumed to provide nutritional support for the body. It typically comes from plants, animals, or fungi and contains essential nutrients like carbohydrates, proteins, fats, vitamins, and minerals. Different cultures have unique cuisines that reflect their history, geography, and available ingredients. Cooking is the process of preparing food by applying heat. It can involve various techniques such as boiling, baking, frying, and grilling. Cooking not only enhances the flavor and texture of food but also makes it safer to eat by killing harmful bacteria. Popular cooking methods include using ovens, stoves, and grills.