1. Choose high-calorie foods among staple foods. Refers to the staple food in addition to rice and miscellaneous grains, adding beans, peanuts and other high-calorie foods.

2. Ensure sufficient high-quality protein. Refers to milk, eggs, fish, poultry, pigs, cattle, sheep and lean meat.

3. Ensure adequate vitamins. Vegetables and fruits have high vitamin content, such as tomatoes and green peppers, which contain more vitamin C, and are important substances to enhance physical fitness and resist diseases.

Second, the spring diet matters needing attention

1, it is better to eat less acid.

In addition to three meals a day, eat more fruits, because the vitamins and minerals contained in fruits are conducive to strengthening physical fitness. Avoid eating cold and greasy food in spring. Traditional medicine also believes that eating more sour food will lead to excessive liver qi and damage the spleen and stomach, so eat less sour food.

2, have more children and less ripe to reduce carcinogens

Cooked meat products are convenient to eat and taste good. You may prefer cooked meat products. However, you will make the mistake of taking nitrite. Because in the process of making cooked meat products, nitrite is added to prevent corrosion. However, once nitrite enters the human body, it can be decomposed into nitrosamines, which has a strong carcinogenic effect and threatens health.

3. More reduction and less oxidation activate the brain

The so-called oxidized food refers to those foods rich in lipid peroxide compounds, such as fried food, instant noodles, hamburgers and so on. These foods will cause oxidation reaction in human body, damage the wall of cerebral blood vessels, narrow the cerebral blood vessels, and produce adverse stimulation to the physiological activities of the brain.

Reducing food contains carotene, superoxide dismutase and other components, which can prevent the oxidation reaction of cerebral vascular wall or "reduce" the oxidation reaction that has already occurred, and ensure the patency and health of cerebral vessels.

4, more thick and less refined to protect blood vessels

Experts found that a substance called homocysteine, if its concentration in blood is too high, will cause arteriosclerosis, which will eventually lead to myocardial infarction, stroke and Alzheimer's disease. One of the reasons for the increase of homocysteine in blood is eating more and more finely processed foods.

5, more green and less white prolong life

The nutritional value of vegetables is related to their color depth. The darker the color of vegetables, the more vitamins and carotene they contain, and vice versa. According to this rule, the order of discharge is: green vegetables, red and yellow vegetables and Chinese cabbage. Green vegetables are rich in calcium, folic acid and vitamin C.