The main component of a healthy diet is a variety of whole foods, including fruits, vegetables, whole grains, lean proteins, and healthy fats. A balanced diet emphasizes the inclusion of diverse food groups to ensure that the body receives essential nutrients, vitamins, and minerals necessary for optimal functioning. Fruits and vegetables are especially important due to their high fiber content and various beneficial compounds. Additionally, a healthy diet limits processed foods, added sugars, and unhealthy fats, promoting overall health, weight management, and the prevention of chronic diseases.