Dietoterapia plays a vital role in preventing and managing various diseases. A well-planned diet can help prevent chronic diseases, such as heart disease, type 2 diabetes, and certain types of cancer. Additionally, dietoterapia is essential in managing existing conditions, such as gastrointestinal disorders, food allergies, and intolerances. By providing personalized dietary advice, healthcare professionals can empower patients to make informed choices about their diet and lifestyle.