2. Because the content of protein in fish is high, about 20%~22%. The fat content is very low, about 1%~5%, which is very low compared with pork, beef and mutton. The fat content of pork is about 37%, beef is 4.2%, and mutton is 14%. Therefore, replacing pork, beef and mutton with fish every day is beneficial for patients to lose weight and provide less fat. The calories of fat are more than 1 times that of protein and carbohydrates.
3. In the process of losing weight, patients should not only eat more fish, but also increase a certain amount of exercise, and control the total calorie intake every day so that the intake is less than the output, so as to achieve the effect of losing weight. The occurrence of obesity is mainly the result of chronic energy imbalance, which needs to be adjusted in the process of losing weight. Therefore, patients should try to keep their mouths shut and spread their legs to achieve the effect of losing weight.