How to prevent chronic diseases Malignant tumors, cardiovascular diseases and diabetes are called chronic diseases, their occurrence is mainly related to people’s lifestyle, to prevent must do: 1, do not smoke, drink less alcohol. 2, do not eat food high in salt, sugar and fat, do not eat pickled, smoked food. 3, often participate in physical exercise. 4, to maintain a relaxed mood. “FUN” lifestyle F: fitness, at least 30 minutes of exercise every day. U: Harmony, referring to mental relaxation such as family gatherings, travel, etc. N:Nutrition, promote reasonable nutrition, moderate amount of carbohydrates, moderate amount of high quality protein, low fat and fresh fruits and vegetables.