Because food is rich in oil and protein. It can be seen that eating only vegetables will lead to a sharp increase in calories and easy to get diabetes.

In 1g oil, there are about 9 calories, while in 1g protein, there are only about 4 calories. In contrast, 1 gram of rice has only 4 calories.

In addition, staple foods such as rice and noodles are rich in starch and a certain amount of dietary fiber, which belong to complex carbohydrates.

Carbohydrate is the most economical and main energy source for human beings, and it is an indispensable nutrient for human body. After eating, it is decomposed into glucose in the body, releasing energy.

Glucose is the only available energy for brain tissue and red blood cells, and it is also the main energy source for heart and muscle activities.

Eating vegetables, fruits and milk instead of staple food tends to slow people's thinking, reduce their memory and reduce their work efficiency. Over time, it will cause low immunity and malnutrition.

Extended data nutrient balance reference quantity

According to the dietary guidelines of China residents, it is advisable to consume 250-400g of cereals (including potatoes and miscellaneous beans) every day. Pay attention to the collocation of thickness. In addition to rice noodles, you can choose the right amount of coarse grains every day to adjust your life. Vegetables should be eaten 300-500 grams a day, preferably about half of dark vegetables, and fruits 200-400 grams or more, which varies from person to person.

References:

People's Daily Online "Eating vegetables without eating is more likely to lead to diabetes. How do sugar friends eat three meals? "

People's Daily Online "Eating staple food to lose weight is not good for your health."